Transaction not yet indexed

668JrYWUAx3doNSxprP4o6T7ALFu1iCNdC1qAsmUYowhaxjWLqKD1HDdQFxu55zPNECrAwKWdkhbkfPaWMShAVqi

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