{
  "height": 55,
  "block_hash": "592285687a8cfa9dd1a3b74e35bd5084e1a34d14fa9436e72835227155faceff",
  "header": {
    "v": 1,
    "height": 55,
    "prev_hash": "fecec13e7488c03b673de1e3b6a93fe55ec4b217003bb366fa7cf4c2296b4b80",
    "merkle_root": "508012dbd256a7b460144fe8bea9e53720b872fb742a793077f40827faa3c338",
    "first_seq": 140,
    "last_seq": 142,
    "entry_count": 3,
    "at": "2026-11-07T01:24:15.074Z",
    "key_id": "key_a521921c2ba20669"
  },
  "signed_bytes": "{\"at\":\"2026-11-07T01:24:15.074Z\",\"entry_count\":3,\"first_seq\":140,\"height\":55,\"key_id\":\"key_a521921c2ba20669\",\"last_seq\":142,\"merkle_root\":\"508012dbd256a7b460144fe8bea9e53720b872fb742a793077f40827faa3c338\",\"prev_hash\":\"fecec13e7488c03b673de1e3b6a93fe55ec4b217003bb366fa7cf4c2296b4b80\",\"v\":1}",
  "count": 1,
  "domains": 1,
  "distinct": 1,
  "cosignatures": [
    {
      "label": "W-001",
      "key_fingerprint": "77b542fc",
      "relationship": "affiliated",
      "public_key_pem": "-----BEGIN PUBLIC KEY-----\nMCowBQYDK2VwAyEAnJnfTc5OB9AM75nfNzHGtIt1GnTRB0nY5FbWNwl43Q0=\n-----END PUBLIC KEY-----\n",
      "signature": "9eRqVr4nZEJOu0K4IIb94M6VCgoBT6nb6ST2i8mLhiJv4sAToEjTCUUuNsRWgytaI4u5YZO4LWnfv9jZdiUaBQ==",
      "at": "2026-11-07T01:25:04.105Z"
    }
  ],
  "how_to_verify": "Each signature is Ed25519 over signed_bytes (canonical(header)), checked with the public_key_pem carried in its cosignature record. Witnesses are labelled by registration order (W-001, W-002, ...); public read models never carry a witness's domain or full key id."
}