{
    "downstream_policy_message": {
        "policy_type_id":21000,
        "operation":"CREATE",
        "policy_instance_id":"Hello-world",
        "payload":{
            "class":12,
            "enforce":true,
            "window_length":20,
            "blocking_rate":20,
            "trigger_threshold":10
        }
    },

    "notify_policy_message": {
        "policy_instance_id":"Hello-world",
        "policy_type_id":21000,
        "status":"OK",
        "handler_id":"HWxAPP1234"
    }
}