Converted ATNA message from a PIX query

{
  "resourceType" : "AuditEvent",
  "id" : "example-pixQuery",
  "type" : {
    "coding" : [{
      "system" : "http://dicom.nema.org/resources/ontology/DCM",
      "code" : "110112",
      "display" : "Query"
    }]
  },
  "subtype" : [{
    "coding" : [{
      "system" : "urn:oid:1.3.6.1.4.1.19376.1.2",
      "code" : "ITI-9",
      "display" : "PIX Query"
    }]
  }],
  "action" : "E",
  "recorded" : "2015-08-26T23:42:24Z",
  "outcome" : {
    "code" : {
      "system" : "http://terminology.hl7.org/CodeSystem/audit-event-outcome",
      "code" : "0",
      "display" : "Success"
    }
  },
  "agent" : [{
    "extension" : [{
      "url" : "http://hl7.org/fhir/StructureDefinition/auditevent-AlternativeUserID",
      "valueIdentifier" : {
        "type" : {
          "text" : "process ID"
        },
        "value" : "6580"
      }
    }],
    "type" : {
      "coding" : [{
        "system" : "http://dicom.nema.org/resources/ontology/DCM",
        "code" : "110153",
        "display" : "Source Role ID"
      }]
    },
    "who" : {
      "identifier" : {
        "system" : "urn:oid:2.16.840.1.113883.4.2",
        "value" : "2.16.840.1.113883.4.2"
      }
    },
    "requestor" : false,
    "networkString" : "Workstation1.ehr.familyclinic.com"
  },
  {
    "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
  }],
  "source" : {
    "observer" : {
      "display" : "hl7connect.healthintersections.com.au"
    }
  },
  "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"
      }]
    }
  },
  {
    "role" : {
      "coding" : [{
        "system" : "http://terminology.hl7.org/CodeSystem/object-role",
        "code" : "24",
        "display" : "Query"
      }]
    },
    "query" : "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",
    "detail" : [{
      "type" : {
        "coding" : [{
          "code" : "MSH-10"
        }]
      },
      "valueBase64Binary" : "MS4yLjg0MC4xMTQzNTAuMS4xMy4wLjEuNy4xLjE="
    }]
  }]
}