How do i send and save Facebook users graph response in the below code in backendless?

@Override
public void onSuccess(LoginResult loginResult) {
// mDialog.dismiss();
GraphRequest request = GraphRequest.newMeRequest(
loginResult.getAccessToken(),
new GraphRequest.GraphJSONObjectCallback() {
@Override
public void onCompleted(JSONObject object, GraphResponse response) {
Log.e("response: ", response + “”);
user = new User();
user.facebookID = object.optString(“id”);
user.name = object.optString(“name”);
user.email = object.optString(“email”);
user.gender = object.optString(“gender”);
user.locale = object.optString(“locale”);
Utils.setCurrentUser(user, LoginActivity.this);
startActivity(new Intent(LoginActivity.this, MainActivity.class));
finish();
Toast.makeText(LoginActivity.this, "Logged in as " + user.name, Toast.LENGTH_LONG).show();
}
}
);
Bundle parameters = new Bundle();
parameters.putString(“fields”, “id, name, email, gender, locale, birthday, picture.width(80).height(80)”);
request.setParameters(parameters);
request.executeAsync();
}

I believe it is a duplicate of this question