Transaction not yet indexed

668RWa6DTWF6EH2PM9yJpp2oyEEgFjJPpnSK9MpHyTfeYjprB1Q3r26Zfo7CRPycdtXDNFw9HaBcek7uWXfki6RD

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