Transaction not yet indexed

668Vfu64Tr9SDPxFvxwmXvz2pdGNhNe35LoaJTKZfrxdRZdbNTJ6JMP1tkTTCDrcKqVwbkRqguSPtPSViCU5ZL9g

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