Transaction not yet indexed

Q78NbnhMLRdhReyTmYGGdCLDemBe95xEWQqP6QZVqu5sUdG8MCgvJh43hJHFDRW8AbfEWusMeaHhvWNaJVQSYPP

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