{
  "resourceType" : "DocumentReference",
  "id" : "sound",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">Sound recording of speech example for Patient Henry Levin (MRN 12345):<br/><img src=\"#s11\" alt=\"diagram\"/></div>"
  },
  "status" : "current",
  "subject" : {
    "reference" : "Patient/xcda"
  },
  "author" : [{
    "reference" : "Practitioner/xcda-author"
  }],
  "content" : [{
    "id" : "s11",
    "attachment" : {
      "contentType" : "audio/mpeg",
      "data" : "dG9vIGJpZyB0b28gaW5jbHVkZSB0aGUgd2hvbGU=",
      "duration" : 65
    }
  }]
}