{
    "timestamp": 0,
    "tree_size": 0,
    "root_hash": "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=",
    "signatures": [
        {
            "key_hash": "BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB=",
            "signature": "CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC="
        }
    ]
}