{"public_id": "ad9f3431-60fe-45b9-8fc9-c78758b72560", "provider": "official", "external_id": "county-fill:office:IL-17199-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"}