Retrieve subscribed webhook url

curl --request GET \
  --url https://staging-biz.coinprofile.co/v2/callbackurl \
  --header 'X-Api-Key: <api-key>' \
  --header 'X-Api-User: <api-key>' \
  --header 'X-User-Version: <api-key>'

{
  "success": true,
  "message": "<string>",
  "data": {
    "callbackUrl": "<string>"
  }
}