[pretty_dumm_guy]

Neat!

  str.trim().split(" ").map(hex => String.fromCharCode("0x" + hex)).join()

seems to give the answer.

[thelastparadise]

Congratulations, you have completed CyberChef challenge #1!

This challenge explored hexadecimal encoding. To learn more, visit wikipedia.org/wiki/Hexadecimal.

The code for this challenge is 9d4cbcef-be52-4751-a2b2-8338e6409416 (keep this private).

The next challenge can be found at https://pastebin.com/GSnTAmkV