{

"resourceType": "Provenance",
"id": "signature",
"text": {
  "status": "generated",
  "div": "<div xmlns=\"http://www.w3.org/1999/xhtml\">procedure record authored on 27-June 2015 by Harold Hippocrates, MD Content extracted from Referral received 26-June</div>"
},
"target": [
  {
    "reference": "DocumentReference/example"
  }
],
"recorded": "2015-08-27T08:39:24+10:00",
"reason": [
  {
    "system": "http://hl7.org/fhir/v3/ActReason",
    "code": "TREAT",
    "display": "treatment"
  }
],
"activity": {
  "system": "http://hl7.org/fhir/v3/DocumentCompletion",
  "code": "AU",
  "display": "authenticated"
},
"agent": [
  {
    "role": [
      {
        "coding": [
          {
            "system": "http://www.hl7.org/fhir/contractsignertypecodes",
            "code": "VERF"
          }
        ]
      }
    ],
    "whoUri": "mailto:hhd@ssa.gov"
  }
],
"signature": [
  {
    "type": [
      {
        "system": "urn:iso-astm:E1762-95:2013",
        "code": "1.2.840.10065.1.12.1.5",
        "display": "Verification Signature"
      }
    ],
    "when": "2015-08-27T08:39:24+10:00",
    "whoReference": {
      "reference": "Practitioner/xcda-author"
    },
    "contentType": "application/signature+xml",
    "blob": "Li4u"
  }
]

}