jM7{"app":"GaiaLog","data_type":"air_quality","timestamp":1758787200000,"payload":{"air_quality_index":25,"carbon_monoxide":4.6,"coarse_particulate_matter_pm10":16,"fine_particulate_matter_pm25":25,"location":"Changning Xianxia, Shanghai (é¿å®ä»é)","location_ascii":"Changning Xianxia, Shanghai (????)","nitrogen_dioxide":4.6,"ozone":21.6,"timestamp":"2025-09-25T08:00:00.000Z","payload_sha256":"47204d1421a717bdfbda4a369522d07f136329be3bfefedfedfbd12402981145","db_source_hash":"eyJ0eXBlIjoiYWlyX3F1YWxpdHkiLCJhcSI6eyJhcWkiOjI1LCJwbTI1IjoyNSwi"},"provider":"WAQI"}
https://whatsonchain.com/tx/2ef8a9d1f13eaa80ec76bb9999666dd3c97fe4dcb2b780a00a607a7c64600b59