Transaction not yet indexed

MmsSxpupEUmmuU3usrDBt4BP2qKnrBfRe6q7c8EHae9e28WPHYcPs4cwAkjTv6Rtwp9CSGzP81z3nEwWaT6BqeE

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.