# Get FHIR r4 specimens
Endpoint: GET /site/{siteId}/fhir/specimen
Version: 1.0
Security: bearer, bearer
## Path parameters:
- `siteId` (string, required)
Site identifier
## Query parameters:
- `_count` (number)
Number of items to return (default=20).
Example: 10
- `_page_token` (string)
Token for fetching the next page of results.
Example: "CgYK..."
- `_sort` (string)
Sort the results by a given field, e.g. _sort=family or _sort=-date.
Example: "family"
- `_elements` (string)
Restrict returned fields, e.g. _elements=identifier,name.
Example: "identifier,name"
- `telecom` (string)
Filter by resource telecom, e.g. date=[SYSTEM]|[VALUE].
Example: "telecom=phone|555-555-5555"
- `_id` (string)
Search for a specific resource by ID, e.g. _id=abc123.
Example: "abc123"
- `identifier` (string)
Search for resources by identifier token, e.g. identifier=http://hospital.org|12345.
Example: "http://hospital.org|12345"
- `_include` (string)
Include related resources, e.g. _include=Appointment:patient.
Example: "Appointment:patient"
- `patient` (string)
Include related patient resources, e.g. patient=Patient/[id]&.
Example: "patient=Patient/[id]&"
- `_revinclude` (string)
Reverse include related resources, e.g. _revinclude=Observation:subject.
Example: "Observation:subject"
- `_has` (string)
Reverse chaining, e.g. _has:Observation:subject:code=http://loinc.org|1234-5.
Example: "Observation:subject:code=http://loinc.org|1234-5"
- `_tag` (string)
Search by tag on the resource meta, e.g. _tag=http://example.org/tags|sample-tag.
Example: "http://example.org/tags|sample-tag"
- `_security` (string)
Search by security label on resource meta, e.g. _security=RBAC|CONFIDENTIAL.
Example: "RBAC|CONFIDENTIAL"
- `_profile` (string)
Search by profile in resource meta, e.g. _profile=http://example.org/fhir/StructureDefinition/custom-profile.
Example: "http://example.org/fhir/StructureDefinition/custom-profile"
## Response 200 fields (application/json):
- `resourceType` (any, required)
This is a Bundle resource
Enum: "Bundle"
- `id` (string)
Any combination of letters, numerals, "-" and ".", with a length limit of 64 characters. (This might be an integer, an unprefixed OID, UUID or any other identifier pattern that meets these constraints.) Ids are case-insensitive.
Example: "example-id"
- `meta` (object)
The metadata about a resource. This is content in the resource that is maintained by the infrastructure. Changes to the content might not always be associated with version changes to the resource.
- `meta.id` (string)
An extension object type #string.
Example: "example-string"
- `meta.extension` (array)
May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
- `meta.versionId` (object)
An extension object type #id.
- `meta._versionId` (object)
An extension object type #Element.
- `meta.lastUpdated` (object)
An extension object type #instant.
- `meta._lastUpdated` (object)
An extension object type #Element.
- `meta.source` (string)
An extension object type #uri.
Example: "https://example.org/resource"
- `meta._source` (object)
An extension object type #Element.
- `meta.profile` (array)
A list of profiles (references to [[[StructureDefinition]]] resources) that this resource claims to conform to. The URL is a reference to [[[StructureDefinition.url]]].
Example: ["http://example.org/Profile"]
- `meta.security` (array)
Security labels applied to this resource. These tags connect specific resources to the overall security policy and infrastructure.
- `meta.tag` (array)
Tags applied to this resource. Tags are intended to be used to identify and relate resources to process and workflow, and applications are not required to consider the tags when interpreting the meaning of a resource.
- `implicitRules` (string)
String of characters used to identify a name or a resource
Example: "https://example.org/resource"
- `_implicitRules` (object)
Base definition for all elements in a resource.
- `language` (string)
A string which has at least one character and no leading or trailing whitespace and where there is no whitespace other than single spaces in the contents
Example: "sample-code"
- `_language` (object)
Base definition for all elements in a resource.
- `identifier` (object)
An identifier - identifies some entity uniquely and unambiguously. Typically this is used for business identifiers.
- `identifier.use` (any)
The purpose of this identifier.
Enum: "usual", "official", "temp", "secondary", "old"
- `identifier._use` (object)
An extension object type #Element.
- `identifier.type` (object)
An extension object type #CodeableConcept.
- `identifier.system` (string)
An extension object type #uri.
Example: "https://example.org/resource"
- `identifier._system` (object)
An extension object type #Element.
- `identifier.value` (string)
An extension object type #string.
Example: "example-string"
- `identifier._value` (object)
An extension object type #Element.
- `identifier.period` (object)
An extension object type #Period.
- `identifier.assigner` (object)
An extension object type #Reference.
- `type` (any)
Indicates the purpose of this bundle - how it is intended to be used.
Enum: "document", "message", "transaction", "transaction-response", "batch", "batch-response", "history", "searchset", "collection"
- `_type` (object)
Base definition for all elements in a resource.
- `timestamp` (string)
An instant in time - known at least to the second
Example: "2024-01-01T00:00:00Z"
- `_timestamp` (object)
Base definition for all elements in a resource.
- `total` (number)
An integer with a value that is not negative (e.g. >= 0)
- `_total` (object)
Base definition for all elements in a resource.
- `link` (array)
A series of links that provide context to this bundle.
Example: [{"relation":"search","url":"https://api.heydonto.com/fhir/specimen/?_count=20"},{"relation":"next","url":"https://api.heydonto.com/fhir/specimen/?_count=20&_page_token=TOKEN"},{"relation":"first","url":"https://api.heydonto.com/fhir/specimen/?_count=20"},{"relation":"self","url":"https://api.heydonto.com/fhir/specimen/?_count=20"}]
- `link.modifierExtension` (array)
May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.
Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).
- `link.relation` (string)
An extension object type #string.
Example: "example-string"
- `link._relation` (object)
An extension object type #Element.
- `link.url` (string)
An extension object type #uri.
Example: "https://example.org/resource"
- `link._url` (object)
An extension object type #Element.
- `entry` (array)
An entry in a bundle resource - will either contain a resource or information about a resource (transactions and history only).
Example: [{"resourceType":"Specimen","id":"101","text":{"status":"generated","div":"
Generated Narrative with Details
id: 101
contained:
identifier: 23234352356
accessionIdentifier: X352356
status: available
type: Venous blood specimen (Details : {SNOMED CT code '122555007' = 'Venous blood specimen', given as 'Venous blood specimen'})
subject: Peter Patient
receivedTime: 04/03/2011 7:03:00 AM
request: ServiceRequest/example
Collections
- | Collector | Collected[x] | Quantity | Method | BodySite |
* | Practitioner/example | 30/05/2011 6:15:00 AM | 6 mL | Line, Venous (Details : {http://terminology.hl7.org/CodeSystem/v2-0488 code 'LNV' = 'Line, Venous) | Right median cubital vein (Details : {SNOMED CT code '49852007' = 'Median cubital vein', given as 'Structure of median cubital vein (body structure)'}) |
Containers
- | Identifier | Description | Type | Capacity | SpecimenQuantity | Additive[x] |
* | 48736-15394-75465 | Green Gel tube | Vacutainer (Details ) | 10 mL | 6 mL | id: hep; Lithium/Li Heparin (Details : {http://terminology.hl7.org/CodeSystem/v3-EntityCode code 'HEPL' = 'Lithium/Li Heparin) |
note: Specimen is grossly lipemic
"},"contained":[{"resourceType":"Substance","id":"hep","code":{"coding":[{"system":"http://terminology.hl7.org/CodeSystem/v3-EntityCode","code":"HEPL"}]}}],"identifier":[{"system":"http://ehr.acme.org/identifiers/collections","value":"23234352356"}],"accessionIdentifier":{"system":"http://lab.acme.org/specimens/2011","value":"X352356"},"status":"available","type":{"coding":[{"system":"http://snomed.info/sct","code":"122555007","display":"Venous blood specimen"}]},"subject":{"reference":"Patient/example","display":"Peter Patient"},"receivedTime":"2011-03-04T07:03:00Z","request":[{"reference":"ServiceRequest/example"}],"collection":{"collector":{"reference":"Practitioner/example"},"collectedDateTime":"2011-05-30T06:15:00Z","quantity":{"value":6,"unit":"mL"},"method":{"coding":[{"system":"http://terminology.hl7.org/CodeSystem/v2-0488","code":"LNV"}]},"bodySite":{"coding":[{"system":"http://snomed.info/sct","code":"49852007","display":"Structure of median cubital vein (body structure)"}],"text":"Right median cubital vein"}},"container":[{"identifier":[{"value":"48736-15394-75465"}],"description":"Green Gel tube","type":{"text":"Vacutainer"},"capacity":{"value":10,"unit":"mL"},"specimenQuantity":{"value":6,"unit":"mL"},"additiveReference":{"reference":"#hep"}}],"note":[{"text":"Specimen is grossly lipemic"}]}]
- `entry.resourceType` (any, required)
This is a Specimen resource
Enum: "Specimen"
- `entry.text` (object)
A human-readable summary of the resource conveying the essential clinical and business information for the resource.
- `entry.text.status` (any)
The status of the narrative - whether it's entirely generated (from just the defined data or the extensions too), or whether a human authored it and it may contain additional data.
Enum: "generated", "extensions", "additional", "empty"
- `entry.text._status` (object)
An extension object type #Element.
- `entry.text.div` (string, required)
An extension object type #xhtml.
Example: "Example
"
- `entry.contained` (array)
These resources do not have an independent existence apart from the resource that contains them - they cannot be identified independently, and nor can they have their own independent transaction scope.
Example: [{"resourceType":"Substance","id":"hep","code":{"coding":[{"system":"http://terminology.hl7.org/CodeSystem/v3-EntityCode","code":"HEPL"}]}}]
- `entry.extension` (array)
May be used to represent additional information that is not part of the basic definition of the resource. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
- `entry.extension.valueBase64Binary` (string)
Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
Example: "U2FtcGxl"
- `entry.extension._valueBase64Binary` (object)
An extension object type #Element.
- `entry.extension.valueBoolean` (boolean)
Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
Example: true
- `entry.extension._valueBoolean` (object)
An extension object type #Element.
- `entry.extension.valueCanonical` (string)
Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
Example: "http://example.org/Profile"
- `entry.extension._valueCanonical` (object)
An extension object type #Element.
- `entry.extension.valueCode` (string)
Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
Example: "sample-code"
- `entry.extension._valueCode` (object)
An extension object type #Element.
- `entry.extension.valueDate` (string)
Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
Example: "2024-01-01"
- `entry.extension._valueDate` (object)
An extension object type #Element.
- `entry.extension.valueDateTime` (string)
Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
Example: "2024-01-01T00:00:00Z"
- `entry.extension._valueDateTime` (object)
An extension object type #Element.
- `entry.extension.valueDecimal` (number)
Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
Example: 1.23
- `entry.extension._valueDecimal` (object)
An extension object type #Element.
- `entry.extension.valueId` (string)
Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
Example: "example-id"
- `entry.extension._valueId` (object)
An extension object type #Element.
- `entry.extension.valueInstant` (string)
Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
Example: "2024-01-01T00:00:00Z"
- `entry.extension._valueInstant` (object)
An extension object type #Element.
- `entry.extension.valueInteger` (number)
Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
Example: 1
- `entry.extension._valueInteger` (object)
An extension object type #Element.
- `entry.extension.valueMarkdown` (string)
Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
Example: "Sample markdown text"
- `entry.extension._valueMarkdown` (object)
An extension object type #Element.
- `entry.extension.valueOid` (string)
Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
Example: "urn:oid:1.2.3.4.5"
- `entry.extension._valueOid` (object)
An extension object type #Element.
- `entry.extension.valuePositiveInt` (number)
Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
Example: 1
- `entry.extension._valuePositiveInt` (object)
An extension object type #Element.
- `entry.extension.valueString` (string)
Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
Example: "example-string"
- `entry.extension._valueString` (object)
An extension object type #Element.
- `entry.extension.valueTime` (string)
Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
Example: "12:00:00"
- `entry.extension._valueTime` (object)
An extension object type #Element.
- `entry.extension.valueUnsignedInt` (number)
Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
- `entry.extension._valueUnsignedInt` (object)
An extension object type #Element.
- `entry.extension.valueUri` (string)
Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
Example: "https://example.org/resource"
- `entry.extension._valueUri` (object)
An extension object type #Element.
- `entry.extension.valueUrl` (string)
Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
Example: "https://example.org"
- `entry.extension._valueUrl` (object)
An extension object type #Element.
- `entry.extension.valueUuid` (string)
Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
Example: "urn:uuid:123e4567-e89b-12d3-a456-426614174000"
- `entry.extension._valueUuid` (object)
An extension object type #Element.
- `entry.extension.valueAddress` (object)
An extension object type #Address.
- `entry.extension.valueAge` (object)
An extension object type #Age.
- `entry.extension.valueAnnotation` (object)
An extension object type #Annotation.
- `entry.extension.valueAttachment` (object)
An extension object type #Attachment.
- `entry.extension.valueCodeableConcept` (object)
An extension object type #CodeableConcept.
- `entry.extension.valueCoding` (object)
An extension object type #Coding.
- `entry.extension.valueContactPoint` (object)
An extension object type #ContactPoint.
- `entry.extension.valueCount` (object)
An extension object type #Count.
- `entry.extension.valueDistance` (object)
An extension object type #Distance.
- `entry.extension.valueDuration` (object)
An extension object type #Duration.
- `entry.extension.valueHumanName` (object)
An extension object type #HumanName.
- `entry.extension.valueIdentifier` (object)
An extension object type #Identifier.
- `entry.extension.valueMoney` (object)
An extension object type #Money.
- `entry.extension.valuePeriod` (object)
An extension object type #Period.
- `entry.extension.valueQuantity` (object)
An extension object type #Quantity.
- `entry.extension.valueRange` (object)
An extension object type #Range.
- `entry.extension.valueRatio` (object)
An extension object type #Ratio.
- `entry.extension.valueReference` (object)
An extension object type #Reference.
- `entry.extension.valueSampledData` (object)
An extension object type #SampledData.
- `entry.extension.valueSignature` (object)
An extension object type #Signature.
- `entry.extension.valueTiming` (object)
An extension object type #Timing.
- `entry.extension.valueContactDetail` (object)
An extension object type #ContactDetail.
- `entry.extension.valueContributor` (object)
An extension object type #Contributor.
- `entry.extension.valueDataRequirement` (object)
An extension object type #DataRequirement.
- `entry.extension.valueExpression` (object)
An extension object type #Expression.
- `entry.extension.valueParameterDefinition` (object)
An extension object type #ParameterDefinition.
- `entry.extension.valueRelatedArtifact` (object)
An extension object type #RelatedArtifact.
- `entry.extension.valueTriggerDefinition` (object)
An extension object type #TriggerDefinition.
- `entry.extension.valueUsageContext` (object)
An extension object type #UsageContext.
- `entry.extension.valueDosage` (object)
An extension object type #Dosage.
- `entry.extension.valueMeta` (object)
An extension object type #Meta.
- `entry.modifierExtension` (array)
May be used to represent additional information that is not part of the basic definition of the resource and that modifies the understanding of the element that contains it and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.
Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).
- `entry.identifier` (array)
Id for specimen.
Example: [{"system":"http://ehr.acme.org/identifiers/collections","value":"23234352356"}]
- `entry.accessionIdentifier` (object)
An identifier - identifies some entity uniquely and unambiguously. Typically this is used for business identifiers.
- `entry.status` (any)
The availability of the specimen.
Enum: "available", "unavailable", "unsatisfactory", "entered-in-error"
- `entry._status` (object)
Base definition for all elements in a resource.
- `entry.type` (object)
A concept that may be defined by a formal reference to a terminology or ontology or may be provided by text.
- `entry.type.coding` (array)
A reference to a code defined by a terminology system.
- `entry.type.text` (string)
An extension object type #string.
Example: "example-string"
- `entry.type._text` (object)
An extension object type #Element.
- `entry.subject` (object)
A reference from one resource to another.
- `entry.subject.reference` (string)
An extension object type #string.
Example: "example-string"
- `entry.subject._reference` (object)
An extension object type #Element.
- `entry.subject.type` (string)
An extension object type #uri.
Example: "https://example.org/resource"
- `entry.subject._type` (object)
An extension object type #Element.
- `entry.subject.identifier` (object)
An extension object type #Identifier.
- `entry.subject.display` (string)
An extension object type #string.
Example: "example-string"
- `entry.subject._display` (object)
An extension object type #Element.
- `entry.receivedTime` (string)
A date, date-time or partial date (e.g. just year or year + month). If hours and minutes are specified, a time zone SHALL be populated. The format is a union of the schema types gYear, gYearMonth, date and dateTime. Seconds must be provided due to schema type constraints but may be zero-filled and may be ignored. Dates SHALL be valid dates.
Example: "2024-01-01T00:00:00Z"
- `entry._receivedTime` (object)
Base definition for all elements in a resource.
- `entry.parent` (array)
Reference to the parent (source) specimen which is used when the specimen was either derived from or a component of another specimen.
- `entry.request` (array)
Details concerning a service request that required a specimen to be collected.
Example: [{"reference":"ServiceRequest/example"}]
- `entry.collection` (object)
A sample to be used for analysis.
- `entry.collection.collector` (object)
An extension object type #Reference.
- `entry.collection.collectedDateTime` (string)
Time when specimen was collected from subject - the physiologically relevant time.
Example: "example-string"
- `entry.collection._collectedDateTime` (object)
An extension object type #Element.
- `entry.collection.collectedPeriod` (object)
An extension object type #Period.
- `entry.collection.duration` (object)
An extension object type #Duration.
- `entry.collection.quantity` (object)
An extension object type #Quantity.
- `entry.collection.method` (object)
An extension object type #CodeableConcept.
- `entry.collection.bodySite` (object)
An extension object type #CodeableConcept.
- `entry.collection.fastingStatusCodeableConcept` (object)
An extension object type #CodeableConcept.
- `entry.collection.fastingStatusDuration` (object)
An extension object type #Duration.
- `entry.processing` (array)
Details concerning processing and processing steps for the specimen.
- `entry.processing.description` (string)
An extension object type #string.
Example: "example-string"
- `entry.processing._description` (object)
An extension object type #Element.
- `entry.processing.procedure` (object)
An extension object type #CodeableConcept.
- `entry.processing.additive` (array)
Material used in the processing step.
- `entry.processing.timeDateTime` (string)
A record of the time or period when the specimen processing occurred. For example the time of sample fixation or the period of time the sample was in formalin.
Example: "example-string"
- `entry.processing._timeDateTime` (object)
An extension object type #Element.
- `entry.processing.timePeriod` (object)
An extension object type #Period.
- `entry.container` (array)
The container holding the specimen. The recursive nature of containers; i.e. blood in tube in tray in rack is not addressed here.
Example: [{"identifier":[{"value":"48736-15394-75465"}],"description":"Green Gel tube","type":{"text":"Vacutainer"},"capacity":{"value":10,"unit":"mL"},"specimenQuantity":{"value":6,"unit":"mL"},"additiveReference":{"reference":"#hep"}}]
- `entry.container.identifier` (array)
Id for container. There may be multiple; a manufacturer's bar code, lab assigned identifier, etc. The container ID may differ from the specimen id in some circumstances.
- `entry.container.capacity` (object)
An extension object type #Quantity.
- `entry.container.specimenQuantity` (object)
An extension object type #Quantity.
- `entry.container.additiveCodeableConcept` (object)
An extension object type #CodeableConcept.
- `entry.container.additiveReference` (object)
An extension object type #Reference.
- `entry.condition` (array)
A mode or state of being that describes the nature of the specimen.
- `entry.note` (array)
To communicate any details or issues about the specimen or during the specimen collection. (for example: broken vial, sent with patient, frozen).
Example: [{"text":"Specimen is grossly lipemic"}]
- `entry.note.authorReference` (object)
An extension object type #Reference.
- `entry.note.authorString` (string)
The individual responsible for making the annotation.
Example: "example-string"
- `entry.note._authorString` (object)
An extension object type #Element.
- `entry.note.time` (string)
An extension object type #dateTime.
Example: "2024-01-01T00:00:00Z"
- `entry.note._time` (object)
An extension object type #Element.
- `entry.note.text` (object)
An extension object type #markdown.
- `signature` (object)
A signature along with supporting context. The signature may be a digital signature that is cryptographic in nature, or some other signature acceptable to the domain. This other signature may be as simple as a graphical image representing a hand-written signature, or a signature ceremony Different signature approaches have different utilities.
- `signature.type` (array, required)
An indication of the reason that the entity signed this document. This may be explicitly included as part of the signature information and can be used when determining accountability for various actions concerning the document.
- `signature.when` (object)
An extension object type #instant.
- `signature._when` (object)
An extension object type #Element.
- `signature.who` (object, required)
An extension object type #Reference.
- `signature.onBehalfOf` (object)
An extension object type #Reference.
- `signature.targetFormat` (string)
An extension object type #code.
Example: "sample-code"
- `signature._targetFormat` (object)
An extension object type #Element.
- `signature.sigFormat` (string)
An extension object type #code.
Example: "sample-code"
- `signature._sigFormat` (object)
An extension object type #Element.
- `signature.data` (string)
An extension object type #base64Binary.
Example: "U2FtcGxl"
- `signature._data` (object)
An extension object type #Element.
## Response 401 fields (application/json):
- `message` (string, required)
Error message indicating unauthorized access.
Example: "Unauthorized"
- `statusCode` (number, required)
HTTP status code for unauthorized access.
Example: 401