attrs = payload_fields_to_payload(attrs)

def payload_fields_to_payload(attrs) do
    attrs = cond do
      Map.has_key?(attrs, "payload_fields") ->
        Map.put(attrs, "payload", Map.get(attrs, "payload_fields"))
      Map.has_key?(attrs, :payload_fields) ->
        Map.put(attrs, :payload, Map.get(attrs, :payload_fields))
      true -> attrs
    end
    attrs
end