jM{"app":"GaiaLog","provider":"WAQI","data_type":"air_quality","timestamp":1757808000000,"payload":{"air_quality_index":137,"carbon_monoxide":5.5,"coarse_particulate_matter_pm10":60,"fine_particulate_matter_pm25":137,"location":"Tianjin (天津)","location_ascii":"Tianjin (??)","nitrogen_dioxide":7.4,"ozone":27,"timestamp":"2025-09-14T00:00:00.000Z","payload_sha256":"584610122d77d1db390a598aa02fbbf775ace0d8c35f9f3aae88ce7590577d35","db_source_hash":"eyJ0eXBlIjoiYWlyX3F1YWxpdHkiLCJhcSI6eyJhcWkiOjEzNywicG0yNSI6MTM3"}}
https://whatsonchain.com/tx/de8a7cabc2465ae4d83efabaedb978f0e7d8a81a19c579930c8e8445bcda5117