{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "54015",
    "entityType": "User",
    "nonce": "0x13e5e133fac986ecac610c63797596906034021326ff0a8a9fd4042263bcedc3",
    "signature": "0x42e282dbe86c84c7f3b7632210aa96185d88eb4c7bf7057f7501e3665defe04c0dababc4467d1b29732aa0361bd269689a5f3da9a72bcac4288e89c35b53ac181c",
    "signer": "0xd12A323399559A3773F865c8F21031bc39c29135",
    "userId": "219968466"
  }
}