viewmodel with 1 row

//Viewmodelnya

public class ProfileAnggotaViewmodel extends ViewModel {
    private MutableLiveData<DataProfileAnggota> profileAnggota;

    public MutableLiveData<DataProfileAnggota> getProfileAnggota(String userId) {
        profileAnggota = new MutableLiveData<>();
        loadProfileAnggota(userId);
        return profileAnggota;
    }

    public void loadProfileAnggota(String userId){
        final String urlProfileAnggota = Server.URL + "cekSegment.php?user_id="+userId;
        JsonObjectRequest objectRequest = new JsonObjectRequest(Request.Method.GET, urlProfileAnggota,
                null, response -> {
            Log.e("responsexx", response.toString());
            try {
                DataProfileAnggota dataProfileAnggota = new DataProfileAnggota();
                dataProfileAnggota.setUserId(response.getString("nrp"));
                dataProfileAnggota.setUserName(response.getString("nama"));
                dataProfileAnggota.setGolongan(response.getString("golongan"));
                dataProfileAnggota.setSisaPlafon(response.getString("sisaplafon"));

                profileAnggota.setValue(dataProfileAnggota);

            } catch (JSONException e) {
                e.printStackTrace();
            }
        }, error -> {
            VolleyLog.d("TAG", "Error: " + error.getMessage());
            Log.e("TAG", "Site Info Error: " + error.getMessage());

        });

        AppController.getInstance().addToRequestQueue(objectRequest);
    }
}

//cara manggil di activitynya
public void getProfileAnggota(){
     mProfileAnggotaViewmodel.getProfileAnggota(userId).observe(this, profileAnggota -> {
            Log.e(TAG, "getProfileAnggota: "+profileAnggota.getUserName());
     });
}