{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x73eae2a9b85afeecdcdee8ce18b2e1893f256cb18cbf9a0b47bb4db7c029e883",
    "signature": "0x40692e22c718ead64f9050a9a92f0c61cdec13b7339528e532446e32473ebf0a12fbf91c17602d7d522ca80e53d8d38fbfc3d291b2fd9b152bee9e36b871c7bd1b",
    "signer": "0x821Ba9D70911c7bCbef78c7Ef024d859557b341f",
    "userId": "589767899"
  }
}