let provider = MoyaProvider<SIGCHI>()
        provider.request(.сonferences) { (result) in
            switch result {
            case let .success(moyaResponse):
                do {
                    let filteredResponse = try moyaResponse.filterSuccessfulStatusCodes()
                    let json = try filteredResponse.mapJSON() // type Any
                    let a = 10
                    // Do something with your json.
                }
                catch let error {
                    // Here we get either statusCode error or jsonMapping error.
                    // TODO: handle the error == best. comment. ever.
                }
            case let .failure(error): break
                // TODO: handle the error == best. comment. ever.
            }
        }