In order to subscribe to any creator, first you’ll need to signup.
You can read more about subscriptions here.
Click on “Connect Wallet” button on the top menu and follow the steps.
In order to subscribe to a creator, first you’ll need some USDCx (a wrapped version of USDC). You just need to click on your user profile menu and wrap some.
Go to your preferred creator and click on the “Start $x USDCx Subscription” button, confirm the transaction and you are all set!