gistfile1.txt

<?xml version="1.0" encoding="UTF-8"?>
<updates>
    <updatedResource>
        <collectionType>foods</collectionType>
        <date>2010-03-01</date>
        <ownerType>user</ownerType>
        <ownerId>228S74</ownerId>
        <subscriptionId>1234</subscriptionId>
    </updatedResource>
    <updatedResource>
        <collectionType>foods</collectionType>
        <date>2010-03-02</date>
        <ownerType>user</ownerType>
        <ownerId>228S74</ownerId>
        <subscriptionId>1234</subscriptionId>
    </updatedResource>
    <updatedResource>
        <collectionType>activities</collectionType>
        <date>2010-03-01</date>
        <ownerType>user</ownerType>
        <ownerId>184X36</ownerId>
        <subscriptionId>2345</subscriptionId>
    </updatedResource>
</updates>

public class UserFitbitSubscriptionUpdates
{
public List Updates { get; set; }
}

    public class FitbitSubscriptionUpdate
    {
        public string collectionType { get; set; }
        public DateTime date { get; set; }
        public string ownerId { get; set; }
        public string ownerType { get; set; }
        public string subscriptionId { get; set; }
    }

public class UserFitbitSubscriptionUpdates : List
{
}

    public class FitbitSubscriptionUpdate
    {
        public string collectionType { get; set; }
        public DateTime date { get; set; }
        public string ownerId { get; set; }
        public string ownerType { get; set; }
        public string subscriptionId { get; set; }
    }