Наследование: extends Dingo\Api\Http\FormRequest
 public function login(LoginRequest $request, JWTAuth $JWTAuth)
 {
     $credentials = $request->only(['email', 'password']);
     try {
         $token = $JWTAuth->attempt($credentials);
         if (!$token) {
             throw new AccessDeniedHttpException();
         }
     } catch (JWTException $e) {
         throw new HttpException(500);
     }
     return response()->json(['status' => 'ok', 'token' => $token]);
 }