@classmethod
  def RecordITunesTransaction(cls, client, callback, user_id, verify_response):
    sub = Subscription.CreateFromITunes(user_id, verify_response)
    sub.Update(client, callback)
Creates a subscription record for an iTunes transaction and saves it to the database.
dataset/ETHPy150Open viewfinderco/viewfinder/backend/db/subscription.py/Subscription.RecordITunesTransaction