{"public_id": "380e3b91-5cfb-45eb-b09f-8ad71fa000ef", "provider": "public_directory", "external_id": "county-fill:office:IA-19075-county-supervisor", "source_url": "https://member-portal.iowacounties.org/countydirectory/directory/grundy", "source_name": "Iowa State Association of Counties: ISAC County Directory: Grundy County", "fetched_at": "2026-10-05T19:59:13+00:00"}