jMM{"app":"GaiaLog","data_type":"air_quality","timestamp":1758290400000,"payload":{"air_quality_index":22,"carbon_monoxide":2.5,"coarse_particulate_matter_pm10":10,"fine_particulate_matter_pm25":21,"location":"Deokpo-dong, Busan, South Korea (ëí¬ë ë¶ì°)","location_ascii":"Deokpo-dong, Busan, South Korea (???????? ?????)","nitrogen_dioxide":8.2,"ozone":22.3,"timestamp":"2025-09-19T14:00:00.000Z","payload_sha256":"d3bd60b8e947750b9500c8518f3338560f51937a088ac5874dade94162159f54","db_source_hash":"eyJ0eXBlIjoiYWlyX3F1YWxpdHkiLCJhcSI6eyJhcWkiOjIyLCJwbTI1IjoyMSwi"},"provider":"WAQI"}
https://whatsonchain.com/tx/4d95b1cff2927f0e1ef7e5e7200ccac7b4ced937be2ce73d5fc6d96e2d5a3ba3