{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "464332",
    "entityType": "User",
    "nonce": "0x06e2561216384f493b74e24691bef4bd011f6dbfd4fef3d1bfaddf740f90fdde",
    "signature": "0x14a90f0d3966f1ecf6b7c05b75a11c6ef9aaba8ba33311c40c99b97da6e846372e1958a949745656e3aa94cdd86c65d872fb3d2cf0320d1412cdcdcd4cb0e0de1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}