Transaction not yet indexed

668qwfAM5wkjrMViSA3jz8biqa2cyRgo2iLdtvEfSaCvbPCmukN6FGSqdoaTAMPVodf7UBPCWtY7wtr4FR3vshTi

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