curl --request POST \
  --url https://api.avenia.io:8443/v2/v2/notifications/webhooks \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "webhookUrl": "<string>",
  "subscriptions": [
    "<string>"
  ]
}
'

{
  "webhookId": "<string>"
}