If you have a paid subscriptions you can find out witch one you have.

YouTube TV and YouTube Plus see: https://www.youtube.com/paid_memberships (TV shows, movies and rentals)

Music YouTube see: https://music.youtube.com/paid_memberships

Paid apps and subscriptions from the Play Google Store see https://play.google.com/store/account/subscriptions

For an overview of what paid apps, subscriptions, TV shows, movies including rentals see https://myaccount.google.com/subscriptions, or https://myaccount.google.com/payments-and-subscriptions