private RequestBodyBuilder PopulateRequestParameters(NewsSubscriberRequest newsSubscriberRequest, RequestTypes requestTypes)
		{
			newsSubscriberRequest.EnsureValidData(requestTypes);

			var requestBodyBuilder = new RequestBodyBuilder();
			requestBodyBuilder.AppendRequestDataNonEmptyString("email", newsSubscriberRequest.Email);

			if (requestTypes == RequestTypes.Create)
			{
				requestBodyBuilder.AppendRequestDataBool("isvalidated", newsSubscriberRequest.IsValidated);
			}

			return requestBodyBuilder;
		}