import requests
import json


def get_asset_change_notifications(channel_id, auth):
    """Get asset change notifications for a specific channel"""
    url = "https://api.gettyimages.com/v3/asset-changes/change-sets"
    query_params = {"channel_id": channel_id}  
    headers = {
        "Api-Key": auth["api_key"],
        "Authorization": f"Bearer {auth['access_token']}"
    }
    response = requests.put(url, params=query_params, headers=headers)
    asset_change_notifications = json.loads(response.content)
    return asset_change_notifications