converting json array into dictionary of key value pairs wp8

Question

I have a dynamic Json. from that json I have converted that json into

var mainjson = (IDictionary)SimpleJson.DeserializeObject(received);

dictionary of key value pairs

Now I get json Array from var secjson = mainjson["feelingLucky"];

now the secjson is a Json Array now I want to convert it into Dictionary of key Value Pairs. Is it possible in wp8 to convert json Array into Dictionary??