How to serialize using gson with @SerializedName annotation?

This is my first approach to serialization using Gson. I recive facebook response to my android application like this:

     Result: {
        Response:  responseCode: 200, 
        graphObject: GraphObject{graphObjectClass=GraphObject, 
        state={
           "data":[{"pic_square":"https:\/\/fbcdn-profile-a.akamaihd.net\/xxx.jpg",
           "uid":"1020272xxxx852765","name":"Mister X"}
        }, 
        error: null, isFromCache:false
      }]}

I created new Class but i dont't know how to fill...

import java.io.Serializable;
import java.util.Arrays;
import com.google.gson.annotations.SerializedName;
public class FacebookResponse  implements Serializable{

private static final long serialVersionUID = -104137709256566564L;

@SerializedName("data")
private FacebookResponse[] data;


@Override
public String toString() {
return "FacebookResponse [data=" + Arrays.toString(data) + "]";
}    

}

In my main fragment:

 Request request = new Request(session,
                "/fql",                         
                params,                         
                HttpMethod.GET,                 
                new Request.Callback(){         
                    public void onCompleted(Response response) {
                        Log.i(TAG, "Result: " + response.toString());
                        final GsonBuilder builder = new GsonBuilder();
                        final Gson gson = builder.create();
                        FacebookResponse facebookResponse= gson.fromJson(response.toString(),FacebookResponse.class);
                    } 
            }); 
            Request.executeBatchAsync(request);      

Thanks a lot for your help