TOP-framework/composer.json

{
    "config": {
      "vendor-dir": "framework/vendor"
    },
    "repositories": {
        "packagist": {
            "type": "composer",
            "url": "https://packagist.phpcomposer.com"
        }
    },
    "require": {
        "firebase/php-jwt": "^5.0"
    }
}