{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x0c0f4207c7231f3dc79ffe2856cd9d4320e3ef67de16866f7ba112797e496346",
    "signature": "0x1a4ce5032aa5f67e1ee13316abf88ce33903e4c56d509527bc6c94373ac6924f6a526c903048bca0ba2b0c31cdffc1ce58793e48f06f5848203af23edfa5d3de1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}