jMW{"app":"GaiaLog","data_type":"air_quality","timestamp":1758114000000,"payload":{"air_quality_index":20,"carbon_monoxide":3.5,"coarse_particulate_matter_pm10":13,"fine_particulate_matter_pm25":17,"location":"Cheorwon(DMZ), Seoul, South Korea (ì² ì(DMZ) ê°ì)","location_ascii":"Cheorwon(DMZ), Seoul, South Korea (??????(DMZ) ??????)","nitrogen_dioxide":3.1,"ozone":20.1,"timestamp":"2025-09-17T13:00:00.000Z","payload_sha256":"87c2cf0606470483a2c74177207f577401c325e8e3a591c17be1c58faa92c129","db_source_hash":"eyJ0eXBlIjoiYWlyX3F1YWxpdHkiLCJhcSI6eyJhcWkiOjIwLCJwbTI1IjoxNywi"},"provider":"WAQI"}
https://whatsonchain.com/tx/c8757b23d7ecb104ea7b50674aae6ffb43bd66a2d984e320f1deb0e10c8da5fa