Congrats on your brand new landing page & Storyteq project! This article tells you the needed steps to implement the data-management tools you need.
After you received the landing page URL to use in your campaign and you want to implement Google Tag Manager, the following steps apply:
If you don’t have one yet, make a Google Tag Manager account. Follow the steps for Google Tag Manager;
Create a GTM Container and let us know the Container-ID (Example: GTM-ABC1DEF). Storyteq uses that Container-ID to load Google Tag Manager in the landing page;