{
  "resourceType" : "Observation",
  "id" : "janusync-observation-dtx-example",
  "meta" : {
    "profile" : ["http://connectdtx.kr/fhir/StructureDefinition/janusync-dtx-observation"]
  },
  "basedOn" : [{
    "reference" : "ServiceRequest/dtx-servicerequest-example"
  }],
  "status" : "final",
  "category" : [{
    "coding" : [{
      "system" : "http://terminology.hl7.org/CodeSystem/observation-category",
      "code" : "activity",
      "display" : "Activity"
    }]
  }],
  "code" : {
    "coding" : [{
      "system" : "http://loinc.org",
      "code" : "51848-0",
      "display" : "Evaluation note"
    }]
  },
  "subject" : {
    "reference" : "Patient/janusync-patient-example"
  },
  "effectiveDateTime" : "2000-01-01",
  "device" : {
    "reference" : "Device/janusync-dtx-device-example"
  },
  "component" : [{
    "code" : {
      "coding" : [{
        "system" : "http://loinc.org",
        "code" : "93832-4",
        "display" : "Sleep duration"
      }]
    },
    "valueQuantity" : {
      "value" : 6.7,
      "system" : "http://unitsofmeasure.org",
      "code" : "h"
    }
  },
  {
    "code" : {
      "coding" : [{
        "system" : "http://loinc.org",
        "code" : "95607-8",
        "display" : "Sleep quality - 1-5 numeric rating [Score] 24 hour"
      }]
    },
    "valueQuantity" : {
      "value" : 3
    }
  },
  {
    "code" : {
      "coding" : [{
        "system" : "http://loinc.org",
        "code" : "74015-9",
        "display" : "Date recorded"
      }]
    },
    "valueDateTime" : "2000-01-02T14:20:00+09:00"
  }]
}