Get JSON Node

public class GetData : CaptureNode
{
        public override void Run()
        {
            Uri uri = null;
            String root="";
            try
            {
                uri = new Uri(Settings.GetStringSetting("URL"));
                root = Settings.GetStringSetting("StartElement");
            }
            catch
            {
                LogHistory("Unable to parse provided URL: " + Settings.GetStringSetting("URL"));
                SetNextNodeByLinkName("Failure");
                return;
            }

            IRestResponse response = null;
            try
            {
                var client = new RestClient(uri.Scheme + "://" + uri.Authority);
                
                var user = Settings.GetStringSetting("User");
                var password = Settings.GetStringSetting("Password");
                if (!String.IsNullOrEmpty(user))
                {
                    client.Authenticator = new RestSharp.Authenticators.HttpBasicAuthenticator(user, password);
                }
                
                var request = new RestRequest(uri.PathAndQuery, DataFormat.Json);
                response = client.Get(request);
                if(response.StatusCode != System.Net.HttpStatusCode.OK)
                {
                    throw new Exception("Response received: " + response.StatusCode + ' ' + response.Content);
                }
            }
            catch(Exception ex)
            {
                LogHistory("Unable to communicate with data source. " + ex.Message);
                SetNextNodeByLinkName("Failure");
                return;
            }

            try
            {
                dynamic json = JsonConvert.DeserializeObject(response.Content);

                var rootObject = json;
                if(!string.IsNullOrEmpty(root))
                    rootObject = json[root];

                if (rootObject is JArray)
                    rootObject = rootObject[0];


                if (rootObject == null)
                {
                    LogHistory("No data returned, or no data for key element " + root);
                    SetNextNodeByLinkName("Failure");
                    return;
                }

                bool propertySet = false;
                var propNames = Process.Properties.GetPropertyNames();
                foreach (String prop in propNames)
                {
                    String objVal = rootObject[prop];
                    if (objVal != null)
                    {
                        Process.Properties.SetSingleProperty(prop, objVal);
                        LogHistory(prop + " updating from external data source.");
                        propertySet = true;
                    }
                }

                if(!propertySet)
                    LogHistory("No data matched cooresponding property.");

                SetNextNodeByLinkName("Success");
            }
            catch(Exception ex)
            {
                LogHistory("Error parsing response object. " + ex.Message);
                SetNextNodeByLinkName("Failure");
                return;
            }
        }
}