var dynData = (MyType)JsonConvert.DeserializeObject(jsonString, typeof(MyType));

{
  "status":"ok",
  "meta":{"count":1},
  "data":{
       "2000314370":[
              {"all": {"f1":972,"f2":0,"f3":0.09}}
                    ]
         }
}

public class 2000314370
{
    public All all { get; set; }
}

public class Data
{
    public IList<2000314370> 2000314370 { get; set; }
}