Transaction not yet indexed

YLFXyrF9mcfFQqK5yEnC5YMsQUyPu7p2oKaFYPkkdfHfoo6hJTuNmNkL4ksuBA9Hi4NAZUNViFBKevNkYPHC9Pt

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