Как лучше отписаться в rx в этом классе? public class

Question

Как лучше отписаться в rx в этом классе? public class

AuthPresenter extends BasePresenter<AuthFragmentContract.View>
implements AuthFragmentContract.Presenter {

@NonNull
private final AccountFacade facade;

@NonNull
private final MainActivityRouter router;

@NonNull
private Disposable disposable;

@Inject
public AuthPresenter(@NonNull @Foreground Scheduler foregroundScheduler,
@NonNull @Background Scheduler backroundScheduler,
@NonNull AccountFacade facade,
@NonNull MainActivityRouter router) {
super(foregroundScheduler, backroundScheduler);
this.facade = facade;
this.router = router;
}

@SuppressLint("CheckResult")
@Override
public void onSignInClicked(@NonNull String email, @NonNull String password) {
Account account = new Account.Builder()
.email(email)
.password(password)
.build();

disposable = facade.checkUserAuth(account)
.observeOn(foregroundScheduler)
.subscribeOn(backroundScheduler)
.subscribe(() -> {
router.navigateToFreightListScreen();
disposable.dispose();
}, throwable -> {
checkException(throwable);
disposable.dispose();
});
}

@Override
public void onSignUpClicked() {
router.navigateToSignUpScreen();
}

@Override
public void onResetPasswordClicked() {
router.navigateToResetPasswordScreen();
}

private void checkException(@NonNull Throwable throwable) {
if (throwable instanceof WrongEmailException) {
getView().showEmailValidatorError();
} else if (throwable instanceof WrongPasswordException) {
getView().showPasswordValidatorError();
} else {
getView().showError(throwable);
}
}
}