{
  "label": "Middlesex.MA / Cambridge",
  "fips": 25017,
  "epoch": 1,
  "n_parcels": 423442,
  "merkle_root": "763c82bb3422c582c9da48998342816f06bed4d08fa3edde3440a74a9c934f2a",
  "schema": "sha256(utf8 parcel_id|acres_6dp|lot_sqft_2dp)",
  "posted_at": 1792080855,
  "pda": "CyTh8jqUnVBcPktSNUsxHrmXu61ngqbRbXG25fHX2cvx"
}