build message like this:
{
"criteria":"{\"deviceToken\":\"APA91bFohTK3UAbjE-8K7R6KuPpmy7tA9fiD41jZFXL2TVzA6zSao2VIuOHfsDDrTB7DfHj7h4piA8w_rStUPvmlYgW4kQmVdgIIG4huZJiQOpgqXEirixz1S_AE18AbI6EMTUF4C2_4\"}",
"creativeList": {
"A": {
"data": {
"alert":"play poler",
}
}
}
}