jMe{"app":"GaiaLog","data_type":"air_quality","timestamp":1758978000000,"payload":{"air_quality_index":76,"carbon_monoxide":0.1,"coarse_particulate_matter_pm10":45,"fine_particulate_matter_pm25":76,"location":"Laizhou Municipal Government, Laizhou City (è±å·å¸è±å·å¸æ¿åº)","location_ascii":"Laizhou Municipal Government, Laizhou City (????????)","nitrogen_dioxide":8.3,"ozone":51.9,"timestamp":"2025-09-27T13:00:00.000Z","payload_sha256":"816ce4b727284610465fef64ef3bc0993799312dc1e986e4879ba162fc9c7e4b","db_source_hash":"eyJ0eXBlIjoiYWlyX3F1YWxpdHkiLCJhcSI6eyJhcWkiOjc2LCJwbTI1Ijo3Niwi"},"provider":"WAQI"}
https://whatsonchain.com/tx/0193cfc7b11852a94de2ee938588ead9ff4c320cefdc868bdaafa3f96a301f8d