{
  "fdic_cert": "22089",
  "institution_name": "MassBank",
  "address": {
    "zip": "01867",
    "city": "Reading",
    "state": "MA",
    "street": "123 Haven Street"
  },
  "charter_type": "SI",
  "total_assets": "821226",
  "active": false,
  "established_date": "04/05/1872",
  "slug": "massbank-22089",
  "matched_lei": null,
  "updated_at": "2026-07-16T19:22:21.147Z"
}