If you rank top 50 in the weekly game, the ranking reward will be released 2 hours after the event, which is 5:00AM(UTC), Friday.
To collect the reward, please randomly enter any slot, and then exit back to the lobby. Then you will be able to receive the ranking reward pop-up and collect the reward.
If you have done the above steps but still haven't received the rewards, please reach out to customer service, we will help you check your reward and collection.