{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xd23e18837c4668aabca9acd9f908b0ff6feb3ec0262320f0dca2dc838722b3a2",
    "signature": "0xd570caf2c9e7678106442919adcb38783142f512fa5a8c21657039697c3bbca101f402cee45c2e8cf62d336829f72c17658acb9c8aec193a4b5e87fe39ec7fc41b",
    "signer": "0xfc7b754CBb5e42d94a7064c0FD31cF7c5c99afE5",
    "userId": "992932046"
  }
}