hl7

{
  "resourceType": "AppointmentResponse",
  "id": "example",
  "text": {
    "status": "generated",
    "div": "<div xmlns=\"http://www.w3.org/1999/xhtml\">Accept Brian MRI results discussion</div>"
  },
  "appointment": {
    "reference": "Appointment/example",
    "display": "Brian MRI results discussion"
  },
  "actor": {
    "reference": "Patient/example",
    "display": "Peter James Chalmers"
  },
  "participantStatus": "accepted",
  "meta": {
    "tag": [
      {
        "system": "http://terminology.hl7.org/CodeSystem/v3-ActReason",
        "code": "HTEST",
        "display": "test health data"
      }
    ]
  }
}