Transaction not yet indexed

SDDuuKmKFCFLx1VVBntXccUV5hUYu2KdqXMpcECGwKfz4wRx2vdwAHfAai7ScYLYbqfSNrjwRFGpqgsjguKUNR8

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