{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xfa9690163174b83e7a02d8584ab73e3688ac6a97499d132bc67bf921c63045b3",
    "signature": "0x34382797639167f72ad6a2d4c95f12b889c3102ab3022ae3d83728cc049b02ae7ed470815ce8196cd552cdad28194438dd6271a3a3492b77a7c7aaa50c2e0de01b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}