{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xea5593ebde6a5d1c6128a214a9fc91de247ad7f564cd2c498ba95ec1467e795d",
    "signature": "0xf8bff87b30121a22795e13759677352d7084f779eb0bc6a6d06dcb6645e7e2c76864e1edfe2cb01740688b04b5da32de834a19323da1c9c9ae15e3973eabace11b",
    "signer": "0x353B180c062aC6fB3ec37b48f4Ad04F20348a484",
    "userId": "343804269"
  }
}