{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "759",
    "entityType": "User",
    "nonce": "0xc20363fd537a03e6522783e0c8698041c592ef74bba22c148e750ef644126e82",
    "signature": "0x0a906d07122844ab9e33a84f105f36ec0d1c1cbeea9d94f9c0703bc679aee81653e375fabe673416c0c74e600edbc5940d4d8a386b15cb11f00d55440f9636f41c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}