{"public_id": "b9c5cbdc-91e5-451a-b1cf-25d97baf81c1", "provider": "official", "external_id": "county-fill:office:NJ-34021-county-commissioner", "source_url": "https://en.wikipedia.org/wiki/Mercer_County,_New_Jersey", "source_name": "Wikipedia: Mercer County, New Jersey (Government section)", "fetched_at": "2026-10-05T20:00:32+00:00"}