{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x74022c70d76cbeee745b975691858ca987d4e95d333a6ba9be650dae381ceb7c",
    "signature": "0xcb0ccc40dd82d36081af344b36e35aaf2c9a7c4e008b2f76c3bb2b2e57ebec4a5e08b0e41570b306652f783900ec05ef281103c98ac47c951c187eb46dcba3af1c",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}