{"public_id": "6fd6d71b-bc7a-4a45-bdfc-860ba714dcb0", "provider": "official", "external_id": "county-fill:office:IL-17139-county-treasurer", "source_url": "https://files.illinoiscomptroller.gov/LocGov/UnitData.csv", "source_name": "Illinois State Comptroller: Local Government Unit Data (self-reported officers)", "fetched_at": "2026-10-05T19:46:34+00:00"}