{
    "success": true,
    "project": "KIMLY KBGC3",
    "sensor_id": 1,
    "status": "sensor-offline-or-stale",
    "message": "No fresh WBGT reading within 10 minutes",
    "reading_id": 17680,
    "recorded_at": "2026-11-11 19:45:56",
    "age_minutes": 693.1200000000000045474735088646411895751953125,
    "whatsapp_alert": "NOT SENT"
}