Signal data cache

Since the RD update signal data has become the biggest bottle neck. 

Many talk about the 'signal data cache' for 1499c as a good deal to keep up.

Is there a reason why me and many of my guild mates don't get this deal in game store? 

https://swgoh.gg/g/15YwWkW-Sp-VdF2B1GQ9gw/