def METHOD_NAME(
    self, offset: int, bytes_to_read: int, key: str, bucket: str = ''
) -> bytes:
    if not bucket:
        bucket = self.browser_bucket
    s3_object = self.s3_client.get_object(
        Bucket=bucket,
        Key=key,
        Range=f'bytes={offset}-{offset + bytes_to_read - 1}',
    )
    return s3_object['Body'].read()