{"device_id":"WaterSensor-Bali","location":"Bali","payload":{"device_id":"WaterSensor-Bali","ec":744.215,"last_thingspeak_http_code":200,"last_thingspeak_upload_ok":true,"last_update":"2026-07-25 17:45:02","lcd_ok":true,"lora_ok":true,"node_id":1,"node_uptime_sec":41171,"pdr":65.9,"ph":7.309,"rssi":-76.0,"rx_error":45,"rx_invalid":0,"rx_lost":7064,"rx_ok":13652,"seq":681,"snr":13.75,"source":"water_bali_gateway","tds":0.0,"temp_c":20.187,"time_synced":true,"wifi_ip":"192.168.1.5"},"project":"Water Quality Sensor","received_at":"2026-07-25 17:45:03","status":"success"}