Transaction not yet indexed

528sEVZ4M5Hkd19h56dr4w2QkY1GFQ7cm8zZxrtfDcsNx5zAd682qP925DAayKfT5E9r1RHumBTaAMXJY2LNxFRQ

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