{
  "resourceType": "Observation",
  "id": "188",
  "status": "final",
  "code": {
    "coding": [
      {
        "system": "http://snomed.info/sct",
        "code": "77176002",
        "display": "Smoker"
      }
    ]
  },
  "subject": {
    "reference": "Patient/1021"
  },
  "effectiveDateTime": "2018-10-29T11:12:59+00:00",
  "valueBoolean": true
}