{
  "manageEntity": {
    "action": "Create",
    "entityId": "1018637498",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"Intense! 👊🔥\",\"entity_id\":1216847159,\"track_timestamp_s\":107}}",
    "nonce": "0x60baf17aac4bb9b429cade9c01f69d3d0c5bffde6677c1af4cd00d647f48deb2",
    "signature": "0x2ed81e0f434e06c3cf0235b9cef4f4d49e4e8d518556bd6d66f3e2a2938468d123794f820059ff2e8de297153884f94cd98550ac99c0f2fafec79bfd1a559be71b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}