{
  "resourceType" : "Media",
  // from Resource: id, meta, implicitRules, and language
  // from DomainResource: text, contained, extension, and modifierExtension
  "type" : "<code>", // R!  photo | video | audio
  "subtype" : { CodeableConcept }, // The type of acquisition equipment/process
  "identifier" : [{ Identifier }], // Identifier(s) for the image
  "subject" : { Reference(Patient|Practitioner|Group|Device|Specimen) }, // Who/What this Media is a record of
  "operator" : { Reference(Practitioner) }, // The person who generated the image
  "view" : { CodeableConcept }, // Imaging view, e.g. Lateral or Antero-posterior
  "deviceName" : "<string>", // Name of the device/manufacturer
  "height" : "<positiveInt>", // C? Height of the image in pixels (photo/video)
  "width" : "<positiveInt>", // C? Width of the image in pixels (photo/video)
  "frames" : "<positiveInt>", // C? Number of frames if > 1 (photo)
  "duration" : "<unsignedInt>", // C? Length in seconds (audio / video)
  "content" : { Attachment } // R!  Actual Media - reference or data
}