create a script which scrape website and save output as json format and it should use ip rotation from free ip proxies -- 2

I am in need of a script that can scrape a website and save the output in JSON format. The script should use IP rotation from free IP proxies.

Website URL:
- I will provide the specific website URL for scraping.

Data to be scraped:
- Only text content from the website is needed.

Script frequency:
- The frequency for the script to run and scrape the website has not been specified.