jM.{"app":"GaiaLog","data_type":"air_quality","timestamp":1758438000000,"payload":{"air_quality_index":68,"carbon_monoxide":5.5,"coarse_particulate_matter_pm10":36,"fine_particulate_matter_pm25":68,"location":"Yaohai District, Hefei (åè¥ç¶æµ·åº)","location_ascii":"Yaohai District, Hefei (?????)","nitrogen_dioxide":6.9,"ozone":0,"timestamp":"2025-09-21T07:00:00.000Z","payload_sha256":"8419d93c34b9fb6ce82dd5f2bce416af9ed287ce327baaa8c06353ee822c97d7","db_source_hash":"eyJ0eXBlIjoiYWlyX3F1YWxpdHkiLCJhcSI6eyJhcWkiOjY4LCJwbTI1Ijo2OCwi"},"provider":"WAQI"}
https://whatsonchain.com/tx/c26ed54c7d4eef2f18a8871dfd04bd23fff2255d261effbef14e2cdd8cec6a00