{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "626857797",
    "entityType": "User",
    "nonce": "0x3d208d4678bdb633f87bf94b1cecbc5685e47bdfcd235b69acd1470f84ad8d8d",
    "signature": "0x18e81d41fd398ee189cb582fec03ea0d33da88d32a3ea14657c689f7cbe92e355ae50743a3da358bfe2fc5b75703c413c512f72ae045efbe85620b8ee2113fcd1c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}