Transaction not yet indexed

28Co9HoQoNRTSmpuo5DyaMCc1qUZWPzqTecJSuLAE4MspiCGcEksnGkbeedb9TasbT4sJxVE6bh8RQdwXCyPUCr3

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