videoPlayerTimeUpdate = () => {
            if (playerInstance.adFinished) {
                playerInstance.domRef.player.removeEventListener('timeupdate', videoPlayerTimeUpdate);
                return;
            }

            const currentTime = Math.floor(playerInstance.domRef.player.currentTime);
            if (playerInstance.vastOptions.duration !== 0) {
                playerInstance.scheduleTrackingEvent(currentTime, playerInstance.vastOptions.duration);
            }

            if (currentTime >= (playerInstance.vastOptions.duration - 1) && playerInstance.vastOptions.duration !== 0) {
                playerInstance.domRef.player.removeEventListener('timeupdate', videoPlayerTimeUpdate);
                playerInstance.adFinished = true;
            }

        }
Sends requests to the tracking URIs