//json对象命名小驼峰式转换
var json = JsonConvert.SerializeObject(newAccount, Formatting.Indented, new JsonSerializerSettings
{
ContractResolver = new Newtonsoft.Json.Serialization.CamelCasePropertyNamesContractResolver()
});

Account newAccount2 = JsonConvert.DeserializeObject<Account>(json, new JsonSerializerSettings
{
ContractResolver = new Newtonsoft.Json.Serialization.CamelCasePropertyNamesContractResolver()
});