curl --request POST \
  --url https://app.aptlystar.ai/api/v1/admin/register-user \
  --header 'Authorization: <authorization>' \
  --header 'Content-Type: */*' \
  --data '
{
  "username": "<string>",
  "email": "<string>",
  "password": "<string>"
}
'

{
  "message": "<string>"
}