I\'m creating a RestSharp.RestRequest via:
RestRequest request = new RestRequest(); request.Method = Method.POST; request.Resource = \"/rest-uri\"; request.
It is possible changing Content-Type when you set the body content. The NAME parameter for Body sets the Content-Type.
oRequest.Parameters.Add(new Parameter() { Name = "application/json;charset=UTF-8", Type = ParameterType.RequestBody, Value = sBody });