{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38568",
    "entityType": "User",
    "nonce": "0x5b36bf69b7650fb1cc601fbc0d397e02f25f1c8bd32e44abec1fc138339fdb4a",
    "signature": "0x393f4bbf1652af1b260cca06ecf40b29944c1c254088b7602370d66ce3b14c8d0bbb4bf17a999197432115adf4d9e8be7c45d65a7c544bf3393df505042011761c",
    "signer": "0x0E71C12c426F5C9206F778713f48B60477CA943b",
    "userId": "29088079"
  }
}