I need help I think I got scammed

I got contacted by someone on Reddit telling me to put 30€ on cake wallet which I did. But the problem arriving to the selling, he stopped answering to me and the app says that I don’t have enough ETH for the fees. I have 1.31 USD how much do I need to pay more just to be able to sell? Please don’t insult I know I’m naive but I just wanted to give it a try… pls I need help