{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18122",
    "entityType": "User",
    "nonce": "0xfc65eb777d77a51356c7b5950e1669384805381d3e60e7909ea0023c7fd5297e",
    "signature": "0xa18d520dafb736038e9c82edbf4ba40a46095f6aaa31eb8887b894b559751dcf6788c4bcba5faf43c9fa5de377807419cec7659872015858ffd5f9c9fff54a1a1b",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}