{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20835",
    "entityType": "User",
    "nonce": "0x3e3fdde71c111833e56b87acc64ef2cfe37700883c8f960b68c1e1ecd068ff85",
    "signature": "0x04295999ecf18eb0b6c167d080f6e6eadec473342a656cf27ac379054387982443817efe9f84628de7ab134211adb74889501a0e90276c717a65f7bc5d7df4aa1c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}