curl --request POST \
  --url https://api.presenton.ai/api/v3/webhook/subscribe \
  --header 'Authorization: <authorization>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "url": "<string>",
  "event": "presentation.generation.completed"
}
'

{
  "id": "<string>",
  "url": "<string>",
  "event": "presentation.generation.completed",
  "created_at": "2023-11-07T05:31:56Z"
}