Transaction not yet indexed

668XkHGdMKNSh3LbmqRbeL6LvK8EYMXSATekLjTLXaH73RphqdZMj3Sw99NM7CY1DPxMon4PDiSPUkmxUAsSRVHh

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