public ActionResult CheckToken() { var token = Request.Headers["token"]; try { var jwtBuilder = new JwtBuilder().WithAlgorithm(new HMACSHAAlgorithmFactory().Create(JwtHashAlgorithm.HS256)).WithVerifySignature(true).WithSecret("wss"); var date = jwtBuilder.CheckToken(token); return(Json(new { state = 1, date })); }catch (Exception ex) { return(Json(new { state = 2, date = ex.Message })); } }