def authorization(self) -> str:
        """Build authorization header
        Example: Bearer IGT:2:eaW9u.....aWQiOiI0NzM5=
        """
        if self.authorization_data:
            b64part = base64.b64encode(dumps(self.authorization_data).encode()).decode()
            return f"Bearer IGT:2:{b64part}"
        return ""
Build authorization header
        Example: Bearer IGT:2:eaW9u.....aWQiOiI0NzM5=
        
instagrapi/mixins/auth.py