Rules and opt-in link here: http://totalrewards.com/SpringBonus

Earn 17,500 TCs in 4 to 7 gaming days, get your 35,000 daily tier credit bonuses plus an additional 25,000 from the promotion above.

Many Seven Stars also received the maximum 30,000 TCs to start the 2016 calendar year. So with this promotion, looks like a quick 95,000 TCs to renew their status.