JsonUtility serializing issue

I've got a response json from Amazon AWS and I'm trying to serialize it back to a class and am not sure why it's not working. I've used the jsonUtility for arrays before and it was fine, I've searched through threads, and am stuck wondering if I need to use a different json serializer.

This is the json I'm getting from the server

These are the classes I made to serialize it to:

Code (CSharp):

1. [System.Serializable]
2. public struct AWSResponse
3. {
4.     public string statusCode;
5.     public body body;
6.     public header headers;
7. }
8. [System.Serializable]
9. public struct body
10. {
11.     public List<Item> Items;
12.     public string Count;
13.     public string ScannedCount;
14.  
15. }
16.  
17. [System.Serializable]
18. public struct Item
19. {
20.     public string timedate;
21.     public float latitude;
22.     public string device;
23.     public float longitude;
24. }
25. [System.Serializable]
26. public struct header
27. {
28.     public string ContentType;
29. }

And when I try to serialize it, statusCode gets populated but nothing after that gets populated.

Code (CSharp):

1. AWSResponse resp = JsonUtility.FromJson<AWSResponse>(s);
2.             print("Response Serialized: \nstatusCode: " + resp.statusCode
3.             + " " + resp.body.Items.Count);

Items count is 0 in the console.

edit:: So after reconstructing it the opposite way (new instance and populate variables then serialize to json and compare strings) I noticed the json from amazon has "body": "{items stuff}" with the curly brackets in quotes and the jsonutility version doesn't, it's just "body": {} .

 

So you need a string body and then you use JsonUtility once to deserialize the AWSResponse and again to convert the body string into an object?