* Pins (TO BE DONE)
** Currently it is same as UserTimestamp
* Recordings
** Cache time expires
** Currently it is same as UserTimestamp
* Resumes
** With resumes.api active: New resume info added** With resumes.api inactive: Equal to UserTimestamp
'''UserTimestamp changes when'''
* Purchase is made/cancelled
** gvp.gal (addMultipleSubscription, removeMultipleSubscription, addPpv, removePpv, extendRentalTime, cancelRental...)
* Purchase status changes
** gvp.gal.productsintegration
* Pin is disabled
** gvp.api (disablepin, EnablePin not changing timestamp)