{"public_id": "ee921b54-2c3a-4e96-9e9b-e92f149c3da6", "provider": "public_directory", "external_id": "county-fill:office:IA-19153-county-treasurer", "source_url": "https://member-portal.iowacounties.org/countydirectory/directory/Polk", "source_name": "Iowa State Association of Counties: ISAC County Directory: Polk County", "fetched_at": "2026-10-05T20:05:43+00:00"}