curl --request GET \
  --url https://api.example.com/api/v1/notifications/preferences \
  --header 'Authorization: Bearer <token>'

{
  "email_enabled": true,
  "whatsapp_enabled": true,
  "notify_on_reply": true,
  "notify_on_bounce": true,
  "notify_on_complaint": true,
  "personal_email": "<string>",
  "whatsapp_number": "<string>"
}