{
  "resourceType" : "Observation",
  "id" : "DaType1PghdFetalHeartRateExample",
  "meta" : {
    "profile" : ["http://connectdtx.kr/fhir/StructureDefinition/janusync-device-data-observation"]
  },
  "status" : "final",
  "code" : {
    "coding" : [{
      "system" : "http://connectdtx.kr/fhir/CodeSystem/janusync-device-data",
      "code" : "obstetric.ctg.fhr-baseline",
      "display" : "태아 심박수 평균값 (bpm)"
    }]
  },
  "subject" : {
    "reference" : "Patient/janusync-deidentified-patient-example"
  },
  "effectiveDateTime" : "2026-04-20T09:00:00+09:00",
  "valueQuantity" : {
    "value" : 142,
    "unit" : "beats/min",
    "system" : "http://unitsofmeasure.org",
    "code" : "/min"
  }
}