public static TradeHistory ReadFromJObject(JObject o)
{
var r = new TradeHistory();
r.List = new Dictionary<int, Trade>();
foreach (var item in o)
{
int tradeId = int.Parse(item.Key);
Trade trade = Trade.ReadFromJObject(item.Value as JObject);
r.List.Add(tradeId, trade);
}
return r;
}