RESTful search operation

{
  "resourceType" : "AuditEvent",
  "id" : "example-search",
  "text" : {
    "status" : "extensions",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p><b>Generated Narrative: AuditEvent</b><a name=\"example-search\"> </a></p><div style=\"display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px solid #8da1b4; border-radius: 5px; line-height: 60%\"><p style=\"margin-bottom: 0px\">Resource AuditEvent &quot;example-search&quot; </p></div><p><b>category</b>: Restful Operation <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://terminology.hl7.org/4.0.0/CodeSystem-audit-event-type.html\">Audit Event ID</a>#rest)</span></p><p><b>code</b>: search <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"codesystem-restful-interaction.html\">FHIR Restful Interactions</a>#search)</span></p><p><b>action</b>: E</p><p><b>recorded</b>: 23 Aug 2015, 9:42:24 am</p><h3>Outcomes</h3><table class=\"grid\"><tr><td>-</td><td><b>Code</b></td></tr><tr><td>*</td><td>Success (Details: http://terminology.hl7.org/CodeSystem/audit-event-outcome code success = 'Success', stated as 'Success')</td></tr></table><blockquote><p><b>agent</b></p><p><b>type</b>: human user <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://terminology.hl7.org/4.0.0/CodeSystem-extra-security-role-type.html\">SecurityRoleType</a>#humanuser)</span></p><p><b>who</b>: <span>: Grahame Grieve</span></p><p><b>requestor</b>: true</p></blockquote><blockquote><p><b>agent</b></p><p><b>AuditEvent Alternative User ID</b>: process ID: 6580</p><p><b>type</b>: Source Role ID <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://dicom.nema.org/resources/ontology/DCM\">DICOM</a>#110153)</span></p><p><b>who</b>: <span/></p><p><b>requestor</b>: false</p><p><b>network</b>: Workstation1.ehr.familyclinic.com</p></blockquote><h3>Sources</h3><table class=\"grid\"><tr><td>-</td><td><b>Observer</b></td><td><b>Type</b></td></tr><tr><td>*</td><td><span>: hl7connect.healthintersections.com.au</span></td><td>Web Server <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://terminology.hl7.org/4.0.0/CodeSystem-security-source-type.html\">Audit Event Source Type</a>#3)</span></td></tr></table><h3>Entities</h3><table class=\"grid\"><tr><td>-</td><td><b>Role</b></td><td><b>Query</b></td></tr><tr><td>*</td><td><span title=\"  HTTP GET encoded in base64Binary  &amp;#10;  orignal example encoded here is  &amp;#10;  &quot;http://fhir-dev.healthintersections.com.au/open/Encounter?participant=13&quot;  \">Query <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://terminology.hl7.org/4.0.0/CodeSystem-object-role.html\">AuditEventEntityRole</a>#24)</span></span></td><td>aHR0cDovL2ZoaXItZGV2LmhlYWx0aGludGVyc2VjdGlvbnMuY29tLmF1L29wZW4vRW5jb3VudGVyP3BhcnRpY2lwYW50PTEz</td></tr></table></div>"
  },
  "category" : [{
    "coding" : [{
      "system" : "http://terminology.hl7.org/CodeSystem/audit-event-type",
      "code" : "rest",
      "display" : "Restful Operation"
    }]
  }],
  "code" : {
    "coding" : [{
      "system" : "http://hl7.org/fhir/restful-interaction",
      "code" : "search",
      "display" : "search"
    }]
  },
  "action" : "E",
  "recorded" : "2015-08-22T23:42:24Z",
  "outcome" : {
    "code" : {
      "system" : "http://terminology.hl7.org/CodeSystem/audit-event-outcome",
      "code" : "success",
      "display" : "Success"
    }
  },
  "agent" : [{
    "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
  },
  {
    "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"
  }],
  "source" : {
    "observer" : {
      "display" : "hl7connect.healthintersections.com.au"
    },
    "type" : [{
      "coding" : [{
        "system" : "http://terminology.hl7.org/CodeSystem/security-source-type",
        "code" : "3",
        "display" : "Web Server"
      }]
    }]
  },
  "entity" : [{
    "role" : {
      "coding" : [{
        "system" : "http://terminology.hl7.org/CodeSystem/object-role",
        "code" : "24",
        "display" : "Query"
      }]
    },
    "query" : "aHR0cDovL2ZoaXItZGV2LmhlYWx0aGludGVyc2VjdGlvbnMuY29tLmF1L29wZW4vRW5jb3VudGVyP3BhcnRpY2lwYW50PTEz"
  }]
}