You can keep track of your subscription, payment history, and account details by signing in to The Local and navigating to the account section.
First, make sure that you are on the edition/country website that you registered for:
Then, sign into your account by using the Log in button on the top right of the page.
Once you are logged in you can navigate to the account section by clicking on My account which should now appear in the top right of the screen.
Under Account details, then Subscriptions you can see if your membership is active or expired.