The very first Bitcoin address I ever used to deposit into it all the sudden is showing on electrum that there were transactions made to and from that address literally last month so I'm just perplexed
I still don't have a clear understanding of your problem with signing a message.
You deposited to freebitco before and now you want to sign a message from that? Am I getting you correctly? If so, where does that address belong to? Where did you deposit to freebitco from?