{
  "resourceType": "Observation",
  "id": "demo-vitalsign-bh-4",
  "status": "final",
  "category": [
    {
      "coding": [
        {
          "system": "http://hl7.org/fhir/observation-category",
          "code": "vital-signs"
        }
      ]
    }
  ],
  "code": {
    "coding": [
      {
        "system": "http://loinc.org",
        "code": "8302-2",
        "display": "Body height"
      }
    ]
  },
  "subject": {
    "reference": "Patient/demo-patient-1"
  },
  "effectiveDateTime": "2017-05-10",
  "valueQuantity": {
    "value": 170,
    "system": "http://unitsofmeasure.org",
    "code": "cm"
  }
}