[
  {
    "metric_code": "fbg",
    "metric_name": "공복혈당",
    "unit": "mg/dL",
    "required": true,
    "ref_low": 70,
    "ref_high": 99,
    "max_sync_delay_hours": 24
  },
  {
    "metric_code": "sbp",
    "metric_name": "수축기혈압",
    "unit": "mmHg",
    "required": true,
    "ref_low": 90,
    "ref_high": 119,
    "max_sync_delay_hours": 24
  },
  {
    "metric_code": "dbp",
    "metric_name": "이완기혈압",
    "unit": "mmHg",
    "required": false,
    "ref_low": 60,
    "ref_high": 79,
    "max_sync_delay_hours": 24
  },
  {
    "metric_code": "weight",
    "metric_name": "체중",
    "unit": "kg",
    "required": false,
    "ref_low": 40,
    "ref_high": 90,
    "max_sync_delay_hours": 72
  },
  {
    "metric_code": "bmi",
    "metric_name": "체질량지수",
    "unit": "kg/m2",
    "required": false,
    "ref_low": 18.5,
    "ref_high": 24.9,
    "max_sync_delay_hours": 72
  },
  {
    "metric_code": "tchol",
    "metric_name": "총콜레스테롤",
    "unit": "mg/dL",
    "required": false,
    "ref_low": 130,
    "ref_high": 199,
    "max_sync_delay_hours": 168
  },
  {
    "metric_code": "hba1c",
    "metric_name": "당화혈색소",
    "unit": "%",
    "required": false,
    "ref_low": 4,
    "ref_high": 5.6,
    "max_sync_delay_hours": 168
  },
  {
    "metric_code": "med_days",
    "metric_name": "복약 일수",
    "unit": "일",
    "required": true,
    "ref_low": 1,
    "ref_high": 31,
    "max_sync_delay_hours": 48
  },
  {
    "metric_code": "hr",
    "metric_name": "안정시 심박수",
    "unit": "bpm",
    "required": false,
    "ref_low": 60,
    "ref_high": 100,
    "max_sync_delay_hours": 24
  },
  {
    "metric_code": "ldl",
    "metric_name": "LDL콜레스테롤",
    "unit": "mg/dL",
    "required": false,
    "ref_low": 50,
    "ref_high": 129,
    "max_sync_delay_hours": 168
  }
]