document-reference.json

{
  "resourceType": "DocumentReference",
  "masterIdentifier": {
    "system": "urn:ietf:rfc:3986",
    "value": "{{urn_uuid}}"
  },
  "status": "current",
  "docStatus": "final",
  "type": {
    "coding": {
      "system": "http://hl7.org/fhir/ValueSet/c80-doc-typecodes",
      "code": "74264-3" // verify this
    },
    "text": "HIV summary registry report Document"
  },
  "class": {
    "coding": {
      "system": "http://hl7.org/fhir/ValueSet/c80-doc-typecodes",
      "code": "47045-0" // verify this
    },
    "text": "Study report Document"
  },
  "subject": {
    "reference": "Patient/xyz"
  },
  "created": "{{currentDate}}",
  "indexed": "{{currentDate}}",
  "author": [
    {
    "reference": "Practitioner/xyz"
    }
  ],
  "content": {
    "attachment": {
      "contentType": "application/json+fhir", // now application/fhir+json
      "url": "Binary/xyz",
      "hash": "{{documentHash}}",
      "title": "CBS event report",
      "creation": "{{currentDate}}"
    },
    "format": {
      "system": "",
      "code": "",
      "display": "FHIR Document" // find a code for this
      }
  }
}