{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "804508659",
    "entityType": "User",
    "nonce": "0x30a7c7e5a887d598c4e770c6dfdf9c10182e77632935931a8cdfccbc0552b6e7",
    "signature": "0x644fb196ef9b0144e6380bc760d6af0780874c15ae66a93b741a1fffa68d8e3918c72c583f46f6c8821978209729efce937d2e82ac706131783d41a8d5d8db1a1c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}