Either Workflow would work
-Get payment from user through Stripe
-Notify smart contract that purchase has been occurred
-Transfer NFT to wallet address holder
-Per any event (pausing/cancelling) subscription on Stripe notifies smart contract to pause (using Open Zeppelin autotask)
^ Given smart contract hooks are setup and you can get an API from them, how to call them in n8n? Or is there a custom smart contract node?
-Get payment from user through Unlock Protocol
-Get API from Unlock protocol to create private Notion page and add user
^How to use Unlock protocol API in n8n?