jMv{"app":"GaiaLog","data_type":"air_quality","timestamp":1758776400000,"payload":{"air_quality_index":42,"carbon_monoxide":11.4,"coarse_particulate_matter_pm10":19,"fine_particulate_matter_pm25":42,"location":"å¤å½è¯å¦æ ¡ï¼20181128å¯ç¨ï¼, Jiujiang (ä¹æ±å¤å½è¯å¦æ ¡ï¼20181128å¯ç¨ï¼)","location_ascii":"?????(20181128??), Jiujiang (???????(20181128??))","nitrogen_dioxide":7.8,"ozone":20.8,"timestamp":"2025-09-25T05:00:00.000Z","payload_sha256":"efcf5d6b1bb0bf6b07908767acd5f77fcf00514f42ff6c05d402828a3f667a3e","db_source_hash":"eyJ0eXBlIjoiYWlyX3F1YWxpdHkiLCJhcSI6eyJhcWkiOjQyLCJwbTI1Ijo0Miwi"},"provider":"WAQI"}
https://whatsonchain.com/tx/d2f2d7d47fde10c058c0a56cc7f10fe43e195fb8f1cac8ebd0a7a67bb75e60aa