Transaction not yet indexed

ex6n4fJpmi9Vybbt5t6bZofZYLe8qC2BXtcWUvMWef8u2vSAPWPJQDXaApw2xnFAaEmWT5uKajpy178Q7K2pG26

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