My jason files are not showing in my post.

Hi,
My site is https://www.londongapyear.co.uk/
I am importing the courses from this URL https://www.futurelearn.com/feeds/courses
this is the Jason feed. I have tried to copy the code into post and closed it with shortcodes as you shown.
But unfortunately it is not working, can you please help me? I will very thankful to you.
Thanks a lot