How to analyze using Proxytool -- 2

Job ID: 38678190

Budget: $30 – $250 USD

https://www.Mercari.com/

https://jp.mercari.com/notifications
I would like to analyze the Japanese and US versions of this site. Please tell me how to do so using Proxytool Charles.
If you try to parse it, you'll get an error.
What should I do?