Transaction not yet indexed

528PpEUFf77jagVD6WsTVRFcz4N4K9g2egyzwayv5RHJhcUSRCPosDy1cm2fSkKuZ7mhb5ZPLBL3ieR4VDnRTrx4

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