jMh{"app":"GaiaLog","data_type":"air_quality","timestamp":1758369600000,"payload":{"air_quality_index":65,"carbon_monoxide":0.1,"coarse_particulate_matter_pm10":47,"fine_particulate_matter_pm25":65,"location":"Yucheng Monitoring Station, Tancheng County (é¯åå¿é¯åçæµç«)","location_ascii":"Yucheng Monitoring Station, Tancheng County (????????)","nitrogen_dioxide":12.4,"ozone":34.2,"timestamp":"2025-09-20T12:00:00.000Z","payload_sha256":"846082fa7f96e8e1cc913d76310b6cc2b495183928b30374bf88b2af2af8ea6f","db_source_hash":"eyJ0eXBlIjoiYWlyX3F1YWxpdHkiLCJhcSI6eyJhcWkiOjY1LCJwbTI1Ijo2NSwi"},"provider":"WAQI"}
https://whatsonchain.com/tx/7623b7b1a9fff8b439d54ea49f1e8a3900f04d892ebd9a363c1e4c4a2b42e9a7