Sample pixels for tracking users in an app
<!-- iOS -->
"//tags.bluekai.com/site/XXXXX?idfa=ENTER_IDFA_HERE&limit=0&phint=CUSTOMPHINTNAME=VALUE&phint=CUSTOMPHINTNAME=VALUE&ret=json"
<!-- Android -->
"//tags.bluekai.com/site/XXXXX?adid=ENTER_ADID_HERE&limit=0&phint=CUSTOMPHINTNAME=VALUE&phint=CUSTOMPHINTNAME=VALUE&ret=json"