{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x3f9335a012495b7ded72c3d1b6c7bd1012877d122819a5881645170dadecd421",
    "signature": "0x80235b8e464a0a37bdb1ab1f93670fab7a45b9992cc1a4fe86e0202a697bc06a4be7b4bd3514bf019fe61dfbe9cb0fbfa9f7b1cc5b97d0b7293ce50f1ddfe2bf1b",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}