convert object to httpcontent c#
//from string
ByteArrayContent content = new StringContent(jData);
//from any other object
string myContent = JsonConvert.SerializeObject(data);
ByteArrayContent content = new StringContent(jBalances);
content.Headers.ContentType = new MediaTypeHeaderValue(MediaTypeNames.Application.Json);
var result = await client.PostAsync("", content).ConfigureAwait(false);