{
  "height": 137,
  "block_hash": "600330c4d6387a8e56e91f00104fba7fa77063047b8b48055bee33a21cb72449",
  "header": {
    "v": 1,
    "height": 137,
    "prev_hash": "448a3d91e8d5720ae15363bb215af15f640588c004cd5ef237c986c7705a7916",
    "merkle_root": "ece3ff9c87564af778c32696d214145076f8a224cc62ab936434c2648136a157",
    "first_seq": 145,
    "last_seq": 146,
    "entry_count": 2,
    "at": "2026-10-25T01:01:18.228Z",
    "key_id": "key_41eb7b6d1b11968a"
  },
  "signed_bytes": "{\"at\":\"2026-10-25T01:01:18.228Z\",\"entry_count\":2,\"first_seq\":145,\"height\":137,\"key_id\":\"key_41eb7b6d1b11968a\",\"last_seq\":146,\"merkle_root\":\"ece3ff9c87564af778c32696d214145076f8a224cc62ab936434c2648136a157\",\"prev_hash\":\"448a3d91e8d5720ae15363bb215af15f640588c004cd5ef237c986c7705a7916\",\"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."
}