{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x9de7d025c86ca83cfbc8456a1b2f629588ebe705ef53fe89f3b444529cafd9b6",
    "signature": "0x7d21afae4e93d69a420aa80c2afd2be0c2d3dae63d5e77367982399a7ba4e4d41b39665c1d53e08416b3d7c89912da5f2d9894e3879fbe663dc40392bb5285d71b",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}