Hi Brandon,
the IIoT for maker path is discontinued and will be removed in short time.
Please checkout https://academy.mendix.com/link/paths/80/Build-an-Insights-Hub-App-with-Mendix to learn how to build a proper fully integrated Insights Hub app with Mendix.
If you are only interested to call Insights Hub APIs, please checkout https://docs.mendix.com/partners/siemens/mindsphere-api-only/
Please note, in both cases you have to remove the Insight Hub IIot Authenticator module in replace it with the according one form the tutorial or documentation.