{"public_id": "450f08a2-35bc-413a-9006-b9f9b18eb9d0", "provider": "public_directory", "external_id": "county-fill:office:IA-19121-county-supervisor", "source_url": "https://member-portal.iowacounties.org/countydirectory/directory/Madison", "source_name": "Iowa State Association of Counties: ISAC County Directory: Madison County", "fetched_at": "2026-10-05T20:03:03+00:00"}