{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2749",
    "entityType": "User",
    "nonce": "0xcafaa84742fbaf34f1d0b6037c3e2d40c2baec967e79a056cbf223cce4b8ba1d",
    "signature": "0x1b48de144c5da25f55e7e58f16c68aec5eeee228744e064c5a1b0d799c1586f2034d799753c1a2a9d94bc8d3b727b40fa86087958caaa4faccaa8fcdb254feaf1c",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}