Transaction not yet indexed

668MkrANrsydMDFbYBdbGGEkfDvWEV6CS5gHZ23MLcQbyFPD5yB77E5V3VDpNwzPEpFbMEsN6R8wY4iMWsFedNwZ

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