@classmethod
  def GetITunesSubscriptionId(cls, verify_response):
    return kITunesPrefix + verify_response.GetOriginalTransactionId()
Implement me to return state to copy as part of the publish phase.
dataset/ETHPy150Open viewfinderco/viewfinder/backend/db/subscription.py/Subscription.GetITunesSubscriptionId--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/spread/publish.py/Publishable.getStateToPublish