{
    "target_url": "https://www.example.com/abc.html",
    "extras": {
        "fb_app_id": [YOUR_FACEBOOK_APP_ID],
        "fb_access_token": "[ACCESS_TOKEN']",
        "fb_expires_in": "3600"
    },
    "referer_app_link": {
        "url": "[FACEBOOK_APP_BACK_LINK]",
        "app_name": "Facebook"
    }
}