{"public_id": "4f099bd6-f330-4d2c-bef8-831b722ea6a9", "provider": "official", "external_id": "county-fill:person:MA-25017-district-attorney:b867e4b2507b", "source_url": "https://en.wikipedia.org/wiki/Middlesex_County,_Massachusetts", "source_name": "Wikipedia: Middlesex County, Massachusetts (Government section)", "fetched_at": "2026-10-05T19:51:22+00:00"}