Transaction not yet indexed

28TRyTtkfSBU3f7FNdMZea1MQd7oQEDZadafBpiVc5PDHUqNkwtnU1jgAErsRbZEmTz1wYvtcrPj5GN2vajvu2GC

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