{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x53144f8f4c9ce8cd4d6bf7af45645e35950e480e381619e27d6621b7f041b929",
    "signature": "0x0f2e3cb8e710cbb7bd050e0bd4a4de241b720cc8e82fabd42c4d8c933cd7a7c87717e368860b119dff5e1d4cc4af8266d05ef54ac8762d79abedc89eee9a74661c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}