{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x008905799d2583bba6788b4f2993132c4da0489247a6fee7cc1be49d47beaebe",
    "signature": "0xbf13a5ae1c25c2b79d85eea23fe883e094859b4173ab8a6c8d295ef5534529155a10b8a76bc4be4a0b2a7e79e0a7c01fca299c7b6be921a08a4072dbad4b29c91c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}