Transaction not yet indexed

28Nbo4Dm7rwNPDQo3fqR2MwqaESYFn3JVyAYwceqByHSJiDoFunvRCUJXGuGAf6BhLo4NXiBpq7thp2fF6dCwPPU

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