def METHOD_NAME(self, blob_name):
    """Transforms metadata into a dict object
    Args:
        blob_name (str): Name of blob to pull metadata against
    """
    def decode_hash(hash_bytes):
        return binascii.hexlify(
            base64.urlsafe_b64decode(hash_bytes)).decode("utf-8")
    blob = self.bucket.get_blob(blob_name)
    return {
        "name": blob.name,
        "id": blob.id,
        "size": blob.size,
        "updated": blob.updated,
        "crc32c": decode_hash(blob.crc32c),
        "md5sum": decode_hash(blob.md5_hash),
    }