{
  "checkpoint": {
    "index": 187,
    "key_id": "key_a521921c2ba20669",
    "ledger_head": {
      "block_hash": "e8851ba2cd6f1be75b20e6eab10cca451e80748f827522543e673e4599947c9e",
      "height": 190
    },
    "origin": "www.a2ally.com/checkpoints",
    "prev_checkpoint_hash": "89c12e02f6f9ed5f810c85cd9073a5a12d796526be117ac3d59c51c22cd357aa",
    "root_hash": "bd76e41bb99a9825c66a9270b6d1fdfbf10e9a8abb500164833cad315d1fadb0",
    "timestamp": "2026-11-07T07:20:44.733Z",
    "tree_size": 366,
    "v": 1
  },
  "checkpoint_hash": "3503af465b7abefb3fd49a2f13e4e059dd13d9a43dff573747a25aaa527b98a0",
  "signature": "ua4r5C/8uCMg8U0I3Tt9/MoY8u51eCNgglK3cRRqMhY3UeOQCxg1C7rMpaFmXfqhBz2RfVKmZ96igJYsLGvbAw==",
  "public_key_pem": "-----BEGIN PUBLIC KEY-----\nMCowBQYDK2VwAyEAinQBNSxd0YmodQg1YCzttE4X9fNtHXqIrSGUWsEHblA=\n-----END PUBLIC KEY-----\n",
  "signed_bytes": "{\"index\":187,\"key_id\":\"key_a521921c2ba20669\",\"ledger_head\":{\"block_hash\":\"e8851ba2cd6f1be75b20e6eab10cca451e80748f827522543e673e4599947c9e\",\"height\":190},\"origin\":\"www.a2ally.com/checkpoints\",\"prev_checkpoint_hash\":\"89c12e02f6f9ed5f810c85cd9073a5a12d796526be117ac3d59c51c22cd357aa\",\"root_hash\":\"bd76e41bb99a9825c66a9270b6d1fdfbf10e9a8abb500164833cad315d1fadb0\",\"timestamp\":\"2026-11-07T07:20:44.733Z\",\"tree_size\":366,\"v\":1}",
  "cosignatures": [],
  "history": "https://www.a2ally.com/v1/checkpoints",
  "witness_spec": "https://www.a2ally.com/v1/checkpoints/witness-spec"
}