Transaction not yet indexed

Dubu18ibLVAU2aKzRrofQbYd8vUJ4o762GSJX9wkq46BKbhDhepp1HSvZqgRHYoES9ro5zQMPjCgmpUnXhZqudA

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