{"Message":"The request is invalid.","MessageDetail":"The parameters dictionary contains a null entry for parameter 'stId' of non-nullable type 'System.Int32' for method 'System.Web.Http.IHttpActionResult GetRoundList(BetConstruct.Stat.Core.Models.SiteInfo, Int32, Int32)' in 'BetConstruct.Stat.AppServer.Controllers.LeagueController'. An optional parameter must be a reference type, a nullable type, or be declared as an optional parameter."}