{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x4b006f3ff1cd6249eac43649c6ec59eadf8485012ab7eac93973850fac89b0f8",
    "signature": "0x8a1ad73d93692670dcddf5aac7f2a414c46b5a43871f631b6ecb0495d7bfd0f1093ea6f9c4fe74a6368ed4e72c219af141101f659e5be6192dfc9f2e7d37404b1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}