code: @Post("/node/node")
      public JsonNode json1(@RequestObject JsonNode input) {
          final JsonNode name = input.get("name");
          return mapper.valueToTree(new Response(Response.SUCCESS, name.textValue()));
      }
docs: Returns a {@link JsonNode} which is converted from a {@link Response} object. The {@link JsonNode}
  will be converted as JSON string by the {@link JacksonResponseConverterFunction}.