{
  "height": 54,
  "block_hash": "fecec13e7488c03b673de1e3b6a93fe55ec4b217003bb366fa7cf4c2296b4b80",
  "header": {
    "v": 1,
    "height": 54,
    "prev_hash": "fe2d87aae3979159b364742489bc3277e19f33c2679255d2b915178a96a7cce9",
    "merkle_root": "a5ef039e6b59ac3c1ccf439860f075115eec5b4b7c8aac8fb6df924db6d782a1",
    "first_seq": 139,
    "last_seq": 139,
    "entry_count": 1,
    "at": "2026-11-07T01:21:15.060Z",
    "key_id": "key_a521921c2ba20669"
  },
  "signed_bytes": "{\"at\":\"2026-11-07T01:21:15.060Z\",\"entry_count\":1,\"first_seq\":139,\"height\":54,\"key_id\":\"key_a521921c2ba20669\",\"last_seq\":139,\"merkle_root\":\"a5ef039e6b59ac3c1ccf439860f075115eec5b4b7c8aac8fb6df924db6d782a1\",\"prev_hash\":\"fe2d87aae3979159b364742489bc3277e19f33c2679255d2b915178a96a7cce9\",\"v\":1}",
  "count": 0,
  "domains": 0,
  "distinct": 0,
  "cosignatures": [],
  "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."
}