{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77551267",
    "entityType": "User",
    "nonce": "0x7e7edda637ab13443185c1748a609ba9ee270324d7f355b8b3b54c902708c971",
    "signature": "0xb3799fc45b5e9705d48b11f64287a114b5509bc56703c920e23f08bfea4ce26a07d54746333fa0da45ba0e9e769e4c40a3062c6506667de8f1fd1b21762645d01b",
    "signer": "0x292eF57C1FAAc86008ab58D5116e0ba424C9189b",
    "userId": "721084704"
  }
}