var claims = new List
            {
                new Claim(JwtRegisteredClaimNames.Sub, user.UserName),
                new Claim(JwtRegisteredClaimNames.Jti, Guid.NewGuid().ToString()),
                new Claim(ClaimTypes.NameIdentifier, user.Id),
                new Claim(ClaimTypes.Role,"The Role Of the logged in user, you can get from your DB")
            };