{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "192467",
    "entityType": "User",
    "nonce": "0x6a5ab279763cb580ebc068516ddb7c5a7f7ed3acaa9f927569e231377c96793e",
    "signature": "0xacb67f194d3ad9bc3aa155a52a12dfc9fbb77778acb025b863883e84cb3fcd5960274712c9f4369b5407f4936b38a5c3dfaad7e5b4ed3907b70a1a6d969215fc1c",
    "signer": "0x33c702d534707f8Cada5DdD521C5900827973f1D",
    "userId": "5642"
  }
}