Transaction not yet indexed

28EL9F2ov9d69xKySfmkp8hjiiFWoM8nGqrq9fd97HiKguXqLFfBro4y6LeWJ8QQPB8BV2JdDaQfZX9dNKbCL2EJ

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