AdRequest(AdRequest)

{
    "position": "home_top",
    "user_id": "a169451c-8525-4352-b8ca-070dd449a1a5",
    "session_id": "string",
    "page_url": "string",
    "user_agent": "string",
    "ip_address": "string",
    "device_type": "string",
    "location": "string",
    "context": {
        "property1": "string",
        "property2": "string"
    }
}