Export of DocumentReference to Media

{
  "resourceType" : "AuditEvent",
  "id" : "example-media",
  "type" : {
    "coding" : [{
      "system" : "http://dicom.nema.org/resources/ontology/DCM",
      "code" : "110106",
      "display" : "Export"
    }]
  },
  "subtype" : [{
    "coding" : [{
      "system" : "urn:ihe:event-type-code",
      "code" : "ITI-32",
      "display" : "Distribute Document Set on Media"
    }]
  }],
  "action" : "R",
  "recorded" : "2015-08-27T23:42:24Z",
  "outcome" : {
    "code" : {
      "system" : "http://terminology.hl7.org/CodeSystem/audit-event-outcome",
      "code" : "0",
      "display" : "Success"
    }
  },
  "agent" : [{
    "type" : {
      "coding" : [{
        "system" : "http://dicom.nema.org/resources/ontology/DCM",
        "code" : "110153",
        "display" : "Source Role ID"
      }]
    },
    "who" : {
      "display" : "ExportToMedia.app"
    },
    "requestor" : false
  },
  {
    "type" : {
      "coding" : [{
        "system" : "http://terminology.hl7.org/CodeSystem/extra-security-role-type",
        "code" : "humanuser",
        "display" : "human user"
      }]
    },
    "who" : {
      "identifier" : {
        "value" : "95"
      },
      "display" : "Grahame Grieve"
    },
    "requestor" : true
  },
  {
    "type" : {
      "coding" : [{
        "system" : "http://dicom.nema.org/resources/ontology/DCM",
        "code" : "110154",
        "display" : "Destination Media"
      }]
    },
    "who" : {
      "display" : "Media title: Hello World"
    },
    "requestor" : false
  }],
  "source" : {
    "observer" : {
      "identifier" : {
        "value" : "hl7connect.healthintersections.com.au"
      },
      "display" : "Cloud"
    }
  },
  "entity" : [{
    "what" : {
      "identifier" : {
        "value" : "e3cdfc81a0d24bd^^^&2.16.840.1.113883.4.2&ISO"
      }
    },
    "role" : {
      "coding" : [{
        "system" : "http://terminology.hl7.org/CodeSystem/object-role",
        "code" : "1",
        "display" : "Patient"
      }]
    }
  },
  {
    "what" : {
      "identifier" : {
        "type" : {
          "coding" : [{
            "system" : "urn:uuid:a54d6aa5-d40d-43f9-88c5-b4633d873bdd",
            "code" : "IHE XDS Metadata",
            "display" : "submission set classificationNode"
          }]
        },
        "value" : "e3cdfc81a0d24bd^^^&2.16.840.1.113883.4.2&ISO"
      }
    },
    "role" : {
      "coding" : [{
        "system" : "http://terminology.hl7.org/CodeSystem/object-role",
        "code" : "20",
        "display" : "Job"
      }]
    }
  },
  {
    "what" : {
      "reference" : "DocumentReference/example"
    }
  }]
}