Transaction not yet indexed

668DB1qHfMPuTsBAnHLJ9N555KEqRbAT8BtbmXshWHqNUsH14eParyRpnEQ7wiP46W3KtHgFHJLSFuqaVm3mux6F

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