Column Shows in Postman but not in Power Query

[TCRUZ_MSFT]

Hi Experts,

I noticed that some columns inside the "attributes" of the response I got are not showing in Power query, but is showing in Postman. For context, the below screenshot shows a column named "isBookLevel" in Postman, which is field that I need to include in my current report. 

screenshot of data in Postman

In Power Query, I was able to expand all fields in the attributes column, but was only able to expand until the containerTagsourceID field, then the remaining fields no longer shows in Power Query:

attributes column

expanded attributes but only shows fields up to containerTagsourceID

I am using the same user credentials in both Postman and Power BI. Any suggestion to help me resolve this will be appreciated!

[MarkLaf]

What is the type of data source and how are you connecting to it? Web.Contents or a more specific connector? Have you tried a more targeted query with a select-like query parameter?