jGaiaLogv1M{"app":"GaiaLog","schema_version":"1.1.0","data_type":"air_quality","timestamp":1770883403470,"payload":{"location":"Nanjing","timestamp":"2026-02-12T08:03:23.470Z","air_quality_index":4,"fine_particulate_matter_pm25":136.85,"coarse_particulate_matter_pm10":152.15,"carbon_monoxide":1927.85,"nitrogen_dioxide":61.75,"ozone":18,"location_ascii":"Nanjing"},"provider":"WeatherAPI.com"}
https://whatsonchain.com/tx/f654b7f4bdbaa547e963eb6c1caa4c3a660fe573781663d8585fc7e12082f3b5