You must be logged in to your Mundo Ticket* account and click on the "Menu".
After that you must click on "My Orders" (https://www.mundo-ticket.com/pt/conta/meus-pedidos).
There you can check all your orders, transfers and upgrades (if any).
*Remember to always check if the e-mail you are using to log into Mundo Ticket is the same you used to make the purchase.