Status Report: Personal discounts for premium on RU
Russian server started deploying personal discounts for premium account that were implemented in patch 9.8. This mechanism introduces discounts for premium account that are not available to everyone and are activated under certain circumstances.
The entire program is apparently aimed at newbies. In this case, the "rewarded" event was the unlocking of the first tier 3 vehicle of that player, for which he received a discount of 100 percent (yes, 100 percent) for three days premium account.