How to top up Racing Master Diamonds (HMT)?
Select the Diamonds you need.
Enter your Role ID.
Check out and select your payment method.
Once payment is made, the Racing Master Diamonds (HMT) you purchased will be credited to your account shortly.
How to find Racing Master Role ID?
Use your account to log in to the game.
On the Upper Left corner tap the "Avatar" icon.
Racing Master Role ID will be displayed.
