Transaction not yet indexed

Q4Yd78vL2o59so7d3wNmLE3XeGfKTpFfSkqttzCSPRrZYhqKPP1cCYb4N5SMiquVDsJ8Pdic4kdrMAyVitW5jM8

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