Transaction not yet indexed

668uifRS2Pf1dFpW4EEa6myXH9ou3295WgBnSn2YW2dVpRUK89mijYioU6SCn48Zyd2fxTmMsqF1mbBfFRNE8goJ

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