I think adding more context would be handy here, like:
Given you have so many thread that you promote, both ann or bounty, it is justified to ask on which project does he supposed to make his collab with you?
Based on the timestamp on your TX proof --February 18, 17.34 (05.34 p.m. for those who can't read 24 setting)-- and the date you made this post --February 19, 15.14 (03.14 p.m.), forum time-- there weren't 24 hours passed between the confirmed transacion and the report. I am not an influencer myself, but I think 24-48H is a quite acceptable timeframe for someone to create a content. So maybe the case here is not he breached contract and scamming you, it's more that you ask hm too soon.
I saw that he made a post promoting an NFT, vandalized-bored-ape or something, was it the content you ask?
Another thing that I wanted to know is the reason why you hire an "influencer" who only have 14 posts and almost none of them are crypto-related? Where on earth did you even stumbled upon this influencer?