{ "system": "Mass General Brigham", "location_name": "Newton Wellesley Hospital", "mrf_url": "https://www.massgeneralbrigham.org/price-transparency/042103611_Newton-Wellesley-Hospital_StandardCharges.zip", "source_filename": "042103611_Newton-Wellesley-Hospital_StandardCharges.csv", "sha256": "1bcd9dc25ff2934fed7d8e5781d0649033b6a9becd6981eb025d091ad4dc9716", "size_bytes": 15367284, "source_last_modified": "Thu, 23 Jul 2026 19:36:39 GMT", "source_etag": "\"a39c48a9367de9aa892ad7258d77f855\"", "transfer_fingerprint": "a6b5eedef4c9f21b01f91771cd31f43a88ee8f3f408bc91f83e0f4832ba00091", "status": "stored", "first_seen": "2026-08-25T05:46:04Z", "last_changed": "2026-08-25T05:46:04Z", "summary_version": 2 }