jM={"app":"GaiaLog","data_type":"air_quality","timestamp":1758787200000,"payload":{"air_quality_index":62,"carbon_monoxide":0.1,"coarse_particulate_matter_pm10":18,"fine_particulate_matter_pm25":13,"location":"Jiaozhou 2, Jiaozhou City (è¶å·å¸è¶å·2å·)","location_ascii":"Jiaozhou 2, Jiaozhou City (?????2?)","nitrogen_dioxide":4.6,"ozone":61.7,"timestamp":"2025-09-25T08:00:00.000Z","payload_sha256":"7da4fe1e84c737bc967c9753c9f255efeb97f734a6f5ebb9ac9bd2ae570d1fcd","db_source_hash":"eyJ0eXBlIjoiYWlyX3F1YWxpdHkiLCJhcSI6eyJhcWkiOjYyLCJwbTI1IjoxMywi"},"provider":"WAQI"}
https://whatsonchain.com/tx/0f7e405fc34bbdb53514dfd334b63c88d9bcb6edde83b614ae2c87155d7a79ee