Metadata pointing at a FHIR Document Bundle

{
  "resourceType" : "DocumentReference",
  "id" : "example-bundle",
  "meta" : {
    "security" : [{
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActReason",
      "code" : "HTEST"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-Confidentiality",
      "code" : "N"
    }]
  },
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p><b>Generated Narrative: DocumentReference</b><a name=\"example-bundle\"> </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 DocumentReference &quot;example-bundle&quot; </p><p style=\"margin-bottom: 0px\">Security Labels: <span title=\"{http://terminology.hl7.org/CodeSystem/v3-ActReason http://terminology.hl7.org/CodeSystem/v3-ActReason}\">http://terminology.hl7.org/CodeSystem/v3-ActReason</span>, <span title=\"{http://terminology.hl7.org/CodeSystem/v3-Confidentiality http://terminology.hl7.org/CodeSystem/v3-Confidentiality}\">http://terminology.hl7.org/CodeSystem/v3-Confidentiality</span></p></div><p><b>identifier</b>: id:\u00a0urn:uuid:0c3151bd-1cbf-4d64-b04d-cd9187a4c6e0</p><p><b>status</b>: current</p><p><b>type</b>: Physician attending Discharge summary <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"https://loinc.org/\">LOINC</a>#28655-9)</span></p><p><b>subject</b>: <a href=\"broken-link.html\">http://fhir.healthintersections.com.au/open/Patient/d1: Eve Everywoman</a></p><h3>Events</h3><table class=\"grid\"><tr><td>-</td><td><b>Reference</b></td></tr><tr><td>*</td><td><a href=\"broken-link.html\">http://fhir.healthintersections.com.au/open/Encounter/doc-example</a></td></tr></table><p><b>date</b>: 1 Feb 2013, 11:30:02 pm</p><p><b>author</b>: <a href=\"practitioner-example.html\">Practitioner/example: Doctor Dave</a> &quot;Adam CAREFUL&quot;</p><p><b>description</b>: Discharge Summary</p><p><b>securityLabel</b>: normal <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://terminology.hl7.org/5.1.0/CodeSystem-v3-Confidentiality.html\">Confidentiality</a>#N)</span></p><blockquote><p><b>content</b></p><h3>Attachments</h3><table class=\"grid\"><tr><td>-</td><td><b>Url</b></td></tr><tr><td>*</td><td><span title=\"  no content type as the retrieve will determine  \"><code>Bundle/father</code></span></td></tr></table></blockquote></div>"
  },
  "identifier" : [{
    "system" : "urn:ietf:rfc:3986",
    "value" : "urn:uuid:0c3151bd-1cbf-4d64-b04d-cd9187a4c6e0"
  }],
  "status" : "current",
  "type" : {
    "coding" : [{
      "system" : "http://loinc.org",
      "code" : "28655-9"
    }]
  },
  "subject" : {
    "reference" : "http://fhir.healthintersections.com.au/open/Patient/d1",
    "display" : "Eve Everywoman"
  },
  "event" : [{
    "reference" : {
      "reference" : "http://fhir.healthintersections.com.au/open/Encounter/doc-example"
    }
  }],
  "date" : "2013-02-01T12:30:02Z",
  "author" : [{
    "reference" : "Practitioner/example",
    "display" : "Doctor Dave"
  }],
  "description" : "Discharge Summary",
  "securityLabel" : [{
    "coding" : [{
      "system" : "http://terminology.hl7.org/CodeSystem/v3-Confidentiality",
      "code" : "N"
    }]
  }],
  "content" : [{
    "attachment" : {
      "url" : "Bundle/father"
    }
  }]
}