def get_events_for_subscription(access_token, subscription_id, start_timestamp):
endpoint = '<STR_LIT>'.join([get_rm_endpoint(),<EOL>'<STR_LIT>', subscription_id,<EOL>'<STR_LIT>',<EOL>INSIGHTS_API, '<STR_LIT>', start_timestamp, '<STR_LIT>'])<EOL>return do_get(endpoint, access_token)<EOL>
Get the insights evens for a subsctipion since the specific timestamp.

    Args:
        access_token (str): A valid Azure authentication token.
        subscription_id (str): Azure subscription id.
        start_timestamp (str): timestamp to get events from. E.g. '2017-05-01T00:00:00.0000000Z'.
    Returns:
        HTTP response. JSON body of insights events.