public static string Post(string path, string content)
{
HttpClient client = new HttpClient();
client.BaseAddress = _baseAddress;
content="{\"WfRunner\":" + content + "}";
HttpResponseMessage response = client.PostAsync(path, new StringContent(content, Encoding.Default, "application/json")).Result;
//response.EnsureSuccessStatusCode();
return response.Content.ReadAsStringAsync().Result;
}