I know it's some kind of encoding that can be turned into a phone # and/or email address, but what encoding is it? (By the way, I'm not going to apply for it. You're not helping me cheat or anything. I'm just curious.)
518659005232r583491410442e291745698219m421410443129o162080940635v32416189681e64832Breaking the code  gives you an instruction. Follow the instruction  and send the result.
Seriously, it's easier than you think (at least, part 1 is).