Transaction not yet indexed

MBuAEBZzDGsNBUzAmGwXWvtZ5YFYR5xpprEiTPFvFNyjeV5AvTqf36CgVSeDXBLkFeLMAXD2uScVoceFJ2DE8G2

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