I was thinking of a custom resolver for subscriptions:

  object :my_struct_subscriptions do
    @desc "Subscribes to status changes"
    field :my_struct_status_changed, non_null(:my_absinthe_object) do
      arg(:id, non_null(:id))
      config(&MyStructResolver.sub_config/2)

      trigger([:status_changed], topic: fn _ -> "status_changed" end)
      resolve(&MyStructResolver.resolve_status_change/3) # <-------
    end
  end

and then in the Resolver,

  def resolve_status_change(value, args, _absinthe_resolution) do
      value
      |> Map.from_struct()
      |> Map.delete(:__meta__)
      |> Map.put(:user, User.get(value.user_id))
      |> Map.put(:status, StatusResolver.get_status(value))
      |> Map.put(:signature, SignatureUtils.generate(value))
    else
      nil
    end
    {:ok, value}
  end

But seems like publish/3 is used mostly for notifying on a handful of fields and not a large object, and I would hate to have to change this bit of code every time schema changes and making sure that every field that requires special handling and can’t be passed in verbatim is resolved separately. I wish there was a utility/helper function to resolve ecto struct into Absinthe object just like the framework already does it for mutations and queries…