Ошибка десериализации

[ValeraVegas]

2016-11-20 18:17:50:945: ERROR VKRequest deserialization failed on dataString={"response":[{"id":,"first_name":"","last_name":"","photo_50":""}]} e.Message = Cannot deserialize the current JSON array (e.g. [1,2,3]) into type 'VK.WindowsPhone.SDK.API.Model.VKList`1[VK.WindowsPhone.SDK.API.Model.VKUser]' because the type requires a JSON object (e.g. {"name":"value"}) to deserialize correctly. To fix this error eit