Any suggestion how to get old dirt stain off a wall? My brother used to put his feet against the…

Any suggestion how to get old dirt stain off a wall? My brother used to put his feet against the wall at my dad ‘s house in his room and there’s this huge stain that has been there for years. Scrubbing at it with soap and water didn’t do much and it is such a freaking eyesore! 🤦🏻‍♀️