export function buildAdClick(event: AdClickEvent): PayloadBuilder {
  const { targetUrl, clickId, costModel, cost, bannerId, zoneId, impressionId, advertiserId, campaignId } = event;
  const eventJson = {
    schema: 'iglu:com.snowplowanalytics.snowplow/ad_click/jsonschema/1-0-0',
    data: removeEmptyProperties({