{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "222",
    "entityType": "User",
    "nonce": "0x1a9cf1edd7569b488df176d1745a0fab41bed2ea60dc2419bc37ebd51dfdc4eb",
    "signature": "0x124a7df6dd2b1bad4d37fa38ff79beaf0745d4a26878af3e964ce90d77c665e97200f4a4c5c893652f5638ff43176529a765b13f1d8cfc44596f969c45d3cc111c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}