{
 "key_id": "cs-7d286a97ec3c",
 "algorithm": "ed25519",
 "public_key_base64": "KDLqPfw015Flrq8nslm6BEgrB0DNgWIO9njMZDAN+/s=",
 "signs": "the entry_hash (hex string, UTF-8 bytes) of every stamp",
 "entry_hash": "sha256 of the canonical JSON of the stamp without entry_hash and signature (sorted keys, separators , and :, UTF-8)"
}