def list_subscriptions(access_token):
endpoint = '<STR_LIT>'.join([get_rm_endpoint(),<EOL>'<STR_LIT>',<EOL>'<STR_LIT>', BASE_API])<EOL>return do_get(endpoint, access_token)<EOL>
List the available Azure subscriptions for this user account or service principle.

    Args:
        access_token (str): A valid Azure authentication token.

    Returns:
        HTTP response. JSON list of subscriptions.