{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x28a3e8a816c7c3e2543442052c7f62856d8d3f48ba02cb4bd90f12edbe0c5541",
    "signature": "0x057f467c2e79a07f1c0deb42720e7ecedf20a3df281eb1b48dfa6e26b216fd2f31b91e5348245e58813ac8dbc9c05aefb76425950a553e175fc3301fe0d6e74d1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}