A request to link two patients

{
  "resourceType" : "Bundle",
  "id" : "10bb101f-a121-4264-a920-67be9cb82c74",
  "identifier" : {
    "system" : "urn:example-org:sender.identifiers",
    "value" : "efdd254b-0e09-4164-883e-35cf3871715f"
  },
  "type" : "message",
  "timestamp" : "2015-07-14T11:15:33+10:00",
  "entry" : [{
    "fullUrl" : "urn:uuid:267b18ce-3d37-4581-9baa-6fada338038b",
    "resource" : {
      "resourceType" : "MessageHeader",
      "id" : "267b18ce-3d37-4581-9baa-6fada338038b",
      "text" : {
        "status" : "generated",
        "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n\t\t\t\t\t\t<p>This message is a request to link Patient records 654321 (Patient Donald DUCK @ Acme Healthcare, Inc) and 123456 (Patient Donald D DUCK @ Acme Healthcare, Inc)</p>\n\t\t\t\t\t</div>"
      },
      "eventCoding" : {
        "system" : "http://example.org/fhir/message-events",
        "code" : "patient-link"
      },
      "source" : {
        "endpointUrl" : "http://example.org/clients/ehr-lite"
      },
      "focus" : [{
        "reference" : "http://acme.com/ehr/fhir/Patient/pat1"
      },
      {
        "reference" : "http://acme.com/ehr/fhir/Patient/pat2"
      }]
    }
  },
  {
    "fullUrl" : "http://acme.com/ehr/fhir/Patient/pat1",
    "resource" : {
      "resourceType" : "Patient",
      "id" : "pat1",
      "text" : {
        "status" : "generated",
        "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n\t\t\t\t\t\t<p>Patient Donald DUCK @ Acme Healthcare, Inc. MR = 654321</p>\n\t\t\t\t\t</div>"
      },
      "identifier" : [{
        "use" : "usual",
        "type" : {
          "coding" : [{
            "system" : "http://terminology.hl7.org/CodeSystem/v2-0203",
            "code" : "MR"
          }]
        },
        "system" : "urn:oid:0.1.2.3.4.5.6.7",
        "value" : "654321"
      }],
      "active" : true,
      "name" : [{
        "use" : "official",
        "family" : "Donald",
        "given" : ["Duck"]
      }],
      "gender" : "male",
      "contact" : [{
        "relationship" : [{
          "coding" : [{
            "system" : "http://example.org/fhir/CodeSystem/patient-contact-relationship",
            "code" : "E"
          }]
        }],
        "organization" : {
          "reference" : "Organization/1",
          "display" : "Walt Disney Corporation"
        }
      }],
      "managingOrganization" : {
        "reference" : "Organization/1",
        "display" : "ACME Healthcare, Inc"
      }
    }
  },
  {
    "fullUrl" : "http://acme.com/ehr/fhir/Patient/pat2",
    "resource" : {
      "resourceType" : "Patient",
      "id" : "pat2",
      "text" : {
        "status" : "generated",
        "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n\t\t\t\t\t\t<p>Patient Donald D DUCK @ Acme Healthcare, Inc. MR = 123456</p>\n\t\t\t\t\t</div>"
      },
      "identifier" : [{
        "use" : "usual",
        "type" : {
          "coding" : [{
            "system" : "http://terminology.hl7.org/CodeSystem/v2-0203",
            "code" : "MR"
          }]
        },
        "system" : "urn:oid:0.1.2.3.4.5.6.7",
        "value" : "123456"
      }],
      "active" : true,
      "name" : [{
        "use" : "official",
        "family" : "Donald",
        "given" : ["Duck",
        "D"]
      }],
      "gender" : "other",
      "_gender" : {
        "extension" : [{
          "url" : "http://example.org/Profile/administrative-status",
          "valueCodeableConcept" : {
            "coding" : [{
              "system" : "http://terminology.hl7.org/CodeSystem/v2-0001",
              "code" : "A",
              "display" : "Ambiguous"
            }]
          }
        }]
      },
      "managingOrganization" : {
        "reference" : "Organization/1",
        "display" : "ACME Healthcare, Inc"
      }
    }
  }]
}