How to call google analytics(GA4 property) API in Angular to get the data from GA dashboard and to display it in the website?

Question

Steps followed:

1. Put the script from GA in index.html
2. Put a logic from the frontend and send to GA to increase the count on each page navigation
3. Created API KEY, OAuth client ID, Service account from google cloud console
4. Enabled Google Analytics Data API from google cloud console

Stucked with calling the GA api

API to get the count This one I tried. But not getting the count. Call is not even going inside this. Can anyone help me with this?