Parsing Context.Request to JSON Format in Webapi .Net core

Parsing Context.Request to JSON Format

[HttpPost("TestPost")]
        public ActionResult<string> TestPost()
        {
            string jsonText = "";

            var context = HttpContextProvider.Current;
            // context.Request.EnableRewind();

            try
            {
                var formCollection = context.Request.Form;
                jsonText = JsonConvert.SerializeObject(formCollection.Keys.ToDictionary(k => k, v => string.Join(",", formCollection[v])));
                if (jsonText != "{}")
                {
                    return jsonText;
                }
            }
            catch
            {                // ignored
            }

            try
            {
                var queryStringCollection = context.Request.Query;//todo :be check
                jsonText = JsonConvert.SerializeObject(queryStringCollection.ToDictionary(kvp => kvp.Key, kvp => kvp.Value.ToString()));
                if (jsonText != "{}")
                {
                    return jsonText;
                }
            }
            catch
            {                // ignored
            }
            try
            {
                //if (context.Request.Body.CanSeek)
                //{
                //    //  context.Request.Body.Seek(0, System.IO.SeekOrigin.Begin);
                using (var stream = new StreamReader(context.Request.Body))
                {
                    jsonText = stream.ReadToEnd();
                    if (jsonText != "{}")
                    {
                        return jsonText;
                    }
                }
                //}
            }
            catch
            {
                // ignored
            }

            return jsonText;
        }