The profile should give you a clue, with context from what @DumpsterWonder said.
Edit, also note the username is about sneakers on a predominately yoyo website. I’m not saying it’s a smoking gun, but the cluster of clues lends an awfully heavy hand of suspicion.
Yep. Brand new account, profile pic that’s ripped from the internet (reverse image search), and posting leads for people’s exact wants are all good indicators that it’s a scammer’s account.