Transaction not yet indexed

668Td4ePErWr5Sya6eb7qPA78hLRqKMXjsktmCaFXrbvLzQfSf3fVUdYkuKg2YCan142wRspYMLLxAGKH1kokAwN

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