{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x0c4937c8e8963e8590875827f38c0eea059d81cd9f9fabe3310f3a8b94625317",
    "signature": "0x66c6ce60d6dfb9c2deed9485dea127968a666b41506041348f6a1b47d7671e672e1484b1108da9a3bf12ddbf5e07aad9bbe82d0b5841a6507aa98ba112b25f371c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}