jMv{"app":"GaiaLog","data_type":"air_quality","timestamp":1758373200000,"payload":{"air_quality_index":30,"carbon_monoxide":0,"coarse_particulate_matter_pm10":19,"fine_particulate_matter_pm25":30,"location":"Kamitanadare, Kazo-shi, Saitama-ken, Japan (ç°å¢ç§å¦å½éã»ã³ã¿ã¼å é å¸)","location_ascii":"Kamitanadare, Kazo-shi, Saitama-ken, Japan (????????????)","nitrogen_dioxide":4.7,"ozone":18.4,"timestamp":"2025-09-20T13:00:00.000Z","payload_sha256":"cae50f8e49a01ea9605dd80f0fa20c6b30d86838de3408279e7b1fd995e7bef8","db_source_hash":"eyJ0eXBlIjoiYWlyX3F1YWxpdHkiLCJhcSI6eyJhcWkiOjMwLCJwbTI1IjozMCwi"},"provider":"WAQI"}
https://whatsonchain.com/tx/d48e04afc1bfa25984ddbe2004a2afb1db3d6cbd4d5dcbbbdb098d7a5c8d2f70