Hi smllimburg71zay86q, welcome to Thunkable! 
Be sure to check out How to ask Great Questions v2.0, the Community Guidelines, and our Getting Started Guide to make the best of your Thunkable Community experience!
This might be a scenario of ChatGPT not having good info on how Thunkable works. JSON files in Thunkable are not something you’ll be able to import as a way to create a project.