How to Parse Date From EPMAutomate downloaded Activity reports' Json File

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I downloaded FCCS activity reports, I like to know how to scraping data from this Json file for analytics. I basically want to convert it like the original table form or convert it to csv file for excel, python dataframe, so I can calculate history average for certain metrics and set up Alert in our system monitoring app if certain metrics are below historical average threshold.  I look into the file in vscode and jsoneditor, the file does not look like a typical Json file.  I have tried get external data in excel, online Json to csv, no clean tables obtain, also