topman21 scam my 40$. I am new on bitcointalk I saw his post on the forum and contacted him on Telegram to get some help.  At one point I was interested in buying a full member account from him.  Our contract was 80$ he blocked me after I paid 40$ earlier.  what can i do now  help me  How can I get my money back?

topman21 profile - https://bitcointalk.org/index.php?action=profile;u=365922
He wanted to sell me an account called Dimitri94 : https://bitcointalk.org/index.php?action=profile;u=3417917
Btc address : bc1qah37sm35g509yjs00g4ddyjxtvwcfvqc42h4w2ku9p6uzeazssxqldjdau
paid amount : 40$ BTC
txID : bd17673364e3247eb57d8853aa4ff024a0926d7afbd789a1142d99e7a046085d
Blockchain explorer : https://explorer.btc.com/btc/transaction/bd17673364e3247eb57d8853aa4ff024a0926d7afbd789a1142d99e7a046085d