{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "1081644738",
    "entityType": "Notification",
    "nonce": "0x68ef468703334d2a2bee316b6d6895767affd372292ac985e6058c7b05d966c6",
    "signature": "0x18f3dc5a1539aecb42abd7eaf2e763cc1bde5898d18763f378ac864d1ad3ad9f70aeeae64e7afa3d2331af6f3c9ef2f35f469f102885a71461de7d7c986fb7881b",
    "signer": "0x8A509b86BfAA1675d1fB299Ae24B4Aa53Bca7f8C",
    "userId": "550"
  }
}