public BlockChainHandler(string horizonUrl, string networkId, string appId, HttpMessageHandler httpMessageHandler = null)
{
_kinAsset = new AssetTypeNative();
_server = new Server(horizonUrl + "/", new HttpClient(new MetricHttpHandler(httpMessageHandler ?? new HttpClientHandler())));
Network.UsePublicNetwork();
Network.Use(new Network(networkId));
_appId = appId;
}