jM1{"app":"GaiaLog","data_type":"air_quality","timestamp":1758754800000,"payload":{"air_quality_index":20,"carbon_monoxide":7.3,"coarse_particulate_matter_pm10":20,"fine_particulate_matter_pm25":0,"location":"Jinshan Fengjing, Shanghai (éå±±æ«æ³¾)","location_ascii":"Jinshan Fengjing, Shanghai (????)","nitrogen_dioxide":7.8,"ozone":7,"timestamp":"2025-09-24T23:00:00.000Z","payload_sha256":"7e1e706d205b8ed1c2a4453a0894adeb233f358787d1a21e3c8d1ecd95279900","db_source_hash":"eyJ0eXBlIjoiYWlyX3F1YWxpdHkiLCJhcSI6eyJhcWkiOjIwLCJwbTI1IjowLCJw"},"provider":"WAQI"}
https://whatsonchain.com/tx/307e778d77d933ea2a62e8a6bf9f371fa50d3fb552fbc0be7d4835a87cafe5bf