How to Customize the Data Grid Column label as it is fetching the column field name as default

Summary: As I configured the Data-grid Component to as a Page Template in Visual Builder Service, I couldn't Customize the Column Label as it is getting the label name from column field name as default. However I tried in many ways to change the column label using the given templates. But as of now It doesn't ended in a possible way. So guide me what I need to do.

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<oj-data-grid scroll-policy="loadMoreOnScroll" style="width: 80%; min-height: 500px;" edit-mode="cellEdit"