cant't serialize json file

This code show hole json file but i want the seleted part{ age: 12 name: tommy colour: balck friendly: "true" }

public class MyGdxGame extends ApplicationAdapter {

//  public Pets array;

    private Stage stage;
    public static AssetManager manager;
    private com.badlogic.gdx.scenes.scene2d.ui.Image image;


//  private ArrayList<Pets> petsArrayList;


    @Override
    public void create() {
        stage = new Stage();

//      petsArrayList  = new ArrayList<Pets>();


        Gdx.input.setInputProcessor(stage);
        manager = new AssetManager();


        manager.load("badlogic.jpg", Texture.class);

        manager.load("song.mp3", Music.class);

        manager.finishLoading();

        image = new Image(manager.get("badlogic.jpg", Texture.class));
        image.setBounds(20, 30, 200, 200);
        Music music = manager.get("song.mp3", Music.class);

        music.play();

        image.addAction(Actions.sequence(Actions.moveBy(30, 200), Actions.rotateBy(300, 200)));


        stage.addActor(image);


        JsonReader temp = new JsonReader();
        JsonValue base = temp.parse(Gdx.files.internal("pets.json"));
        JsonValue pets = base.get("pets");
        System.out.println(pets);
    }

    @Override
    public void render () {
        Gdx.gl.glClearColor(1, 0, 0, 1);
        Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
        super.render();

        stage.act(Gdx.graphics.getDeltaTime());
        stage.draw();
    }

}