Transaction not yet indexed

ex6K4MGcNETFnkDDj3EcNM6cqn1e9fhES2y1pTj8DCpr7mphKpjEkkA777nCTKTUw3pRK41hivu1E38TuA9UzHC

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