Workable salary for Lisbon?

Hello all, I've received a job offer from a company that does celebrity newswriting based in Lisbon. The thing is, I'm not 100% sure I should take it. A couple qualms about the work itself aside, I'm not sure if the budgeting will work out. They're offering me something in the neighborhood of 24,500 Euros a year, but when I try to mock up a budget I'm running into some difficulties. I'm not sure what that will look like post-tax (I'm apparently in the 37% income tax bracket?) and some prices aren't clear. How my US taxes play into things is also kind of murky. Going by the usual adage that you should spend roughly 1/3 of your take home on rent, I should have around 330 Euros a month, not counting utilities. But I'm not sure if that rule of thumb applies in Portugal. So, I ask you: Should I, a 25 year old American white guy consider making this move for that salary? Or would I find myself living hand-to-mouth with low savings and little discretionary spending? I'm looking into getting more info about certain aspects of the job, but I know that it likely won't be a source of great personal fulfillment but also not a major stressor. Ideally I'd like live somewhat bohemian and pursue some personal creative projects in my time off.