my_subscriber.ex

defmodule MyApp.MySubscriber do
  
  def handle(%{"tag" => "a_tag"} = data, _meta) do
    MyApp.MyModule.handle_event data
  end
  def handle(%{"tag" => "another_tag"} = data, _meta) do
    MyApp.MyOtherModule.handle_event data
  end
  def handle(_payload, _meta) do
    # noop
  end
end