Transaction not yet indexed

UMMLXhyyF4VeuAkBYHuBH7hTjjGCVdU2niEtMCSbc4fCPmzZHrf5h3aJgWD8qXyR7frt2tewgxedHgtJLS99Ad4

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