{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "16828",
    "entityType": "User",
    "nonce": "0x7568cd0d14d99af841ea7493948952e0ac9799eaf05cea261d1b71c73192ae74",
    "signature": "0xc44edecb9c43bc6c464782339b63f5ea25ec70afa13420c19de5b3c0677f6de962c4d5f5a4cc06d602d47e43a4cfbd9f43a3c6e96ec8e6c1540a1c51a0c04b6c1c",
    "signer": "0x6D7f9B90BAFd6B52f8d961a1106d927aCCE656C7",
    "userId": "94304"
  }
}