{
    "resourceType": "Observation",
    "status": "final",
    "category": [
        {
            "coding": [
                {
                    "system": "http://terminology.hl7.org/CodeSystem/observation-category",
                    "code": "vital-signs",
                    "display": "Vital Signs"
                }
            ]
        }
    ],
    "code": {
        "coding": [
            {
                "system": "http://loinc.org",
                "code": "29463-7",
                "display": "Body weight"
            }
        ]
    },
    "subject": {
        "reference": "Patient/{{Patient_id}}",
        "display": "{{Patient_Name}}"
    },
    "encounter": {
        "reference": "Encounter/{{Encounter_id}}"
    },
    "effectiveDateTime": "2023-06-04T05:55:00+00:00",
    "issued": "2023-06-04T05:55:00+00:00",
    "performer": [
        {
            "reference": "Practitioner/{{Practitioner_id}}",
            "display": "{{Practitioner_Name}}"
        }
    ],
    "valueQuantity": {
        "value": 45,
        "unit": "kg",
        "system": "http://unitsofmeasure.org",
        "code": "kg"
    }
}