Deserialize json returns null

There is some issue in Json data and in class structure, class location is being used as class and object name. Use the following Class structure and json:
 
Json:
{
"data": [
{
"tracking_number": "AQK225225",
"pickup_place": "India",
"delivery_place": "London",
"tel_no": "+35256676452",
"status": "pickup",
"lastupdate_time": "2022-01-27T13:02:24.0356139+05:00",
"Location": [
{
"location": "MTS Pvt. Ltd",
"remarks": "",
"deliverydate": "12/12/2018",
"pickupdate": "04/10/2018"
}
]
}
]
}
 
Class Structure:
 
public class Tracking
{
public string Message { get; set; }
public string TokenAccess { get; set; }
public List data { get; set; }
}
public class Datum
{
public string tracking_number { get; set; }
public string pickup_place { get; set; }
public string delivery_place { get; set; }
public string tel_no { get; set; }
public string status { get; set; }
public DateTime lastupdate_time { get; set; }
public List Location { get; set; }
}
public class Location
{
public string location { get; set; }
public string remarks { get; set; }
public string deliverydate { get; set; }
public string pickupdate { get; set; }
}