How to read data response body after success login razor page ?

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Razor

MVC6

ASP.NET-Core

I work on asp.net razor page Login user name and password . I call Web API validate user

name and password . my issue I face it I can't receive data returned after login success

JSON data returned from web API after success login username and password

{
    "message": "success",
    "status": true,
    "data": {
        "userID": "9595",
        "userName": "ADC Test User",
        "userRole": "Administrator",
        "environment": "PY"
    },
    "statusCode": "0000"
}

I need to return data from login success where message=success as logic below :

 if (response.IsSuccessStatusCode)
            {
IF(message=="success" AND status="true")
{
receive `user id and username and user role and password`
}
}

What I have tried:

I call api from razor page login as below :

public async Task OnPost()
{

           
            UserLoginViewModel loginview = new UserLoginViewModel();
            loginview.UserID = User.UserName;
            loginview.Password = User.vPassword;
            var json = JsonSerializer.Serialize(loginview);
            var content = new StringContent(json, Encoding.UTF8, "application/json");
            HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Post, "https://localhost:44374/api/adcxx/ValidateUser");
            request.Content = content;
            var response = await _httpClient.SendAsync(request);
            if (response.IsSuccessStatusCode)
            {
          

             
            }
}