1//using the holy NEWTON! (you can find it as a nuget package)
2using Newtonsoft.Json;
3//get some storage for your required type
4List<YourType> OutputList;
5
6//usings clean up 
7//Load some sort of stream (file or memory)
8using (Stream Stream = new FileStream(ConfigFile, FileMode.Open))
9using (StreamReader SR = new StreamReader(Stream))
10using (JsonReader Reader = new JsonTextReader(SR))
11            {
12                JsonSerializer Serializer = new JsonSerializer();
13                OutputList = Serializer.Deserialize<List<YourType>>(Reader);
14            }
15//bam done
16//your type can be anything and can be marked to change names as rquired
17public class YourType
18{
19     [JsonProperty("YourTransactions")]
20     public List<Transactions> transactions {get;set;}
21     public int count{get;set;}
22}