hl7

{
  "resourceType": "Subscription",
  "id": "example",
  "identifier": [
    {
      "system": "urn:ietf:rfc:3986",
      "value": "urn:uuid:97e5aa1e-5916-4512-a36e-24eef784e3cc"
    }
  ],
  "name": "Example",
  "status": "active",
  "topic": "http://example.org/R5/SubscriptionTopic/example",
  "contact": [
    {
      "system": "phone",
      "value": "(555) 555-1212",
      "use": "work"
    }
  ],
  "reason": "Example subscription for example topic",
  "filterBy": [
    {
      "resourceType": "http://hl7.org/fhir/StructureDefinition/Encounter",
      "filterParameter": "patient",
      "value": "Patient/123"
    }
  ],
  "channel": { "type" : "rest-hook" },
  "meta": {
    "tag": [
      {
        "system": "http://terminology.hl7.org/CodeSystem/v3-ActReason",
        "code": "HTEST",
        "display": "test health data"
      }
    ]
  }
}