Transaction not yet indexed

ko668Yva3FHRLLLSK37E8oyFJQCVep2Kk7EWaqTXdMzn1ZSiDiq2njD4oj1i5c7m5YbAfb1TMtwJYaHKtNyo3Pt

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