Transaction not yet indexed

MeZtUF9q5MRtGjePEzRLmmeKvxLDK7F7L4EFoDcFeSWm3ShZpAkpTUR9jxiE6UoqxEERZqvYBmwBt8dSuS5ELTP

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