❔ Help needed converting anon object to JSON

var data = new { roomLink = roomLink, roomName = roomName, secret = secret };
Debug.Log( data );
// output : { roomLink = localhost:8338, roomName = new room name, secret = password35 }
        
var json = JsonUtility.ToJson( data );
Debug.Log("JSON = " + json.ToString() );
// output : JSON = {}

Debug.Log("JSON = " + UnityEditor.EditorJsonUtility.ToJson( json ).ToString() );
// output : JSON = {}

var data = new { roomLink = roomLink, roomName = roomName, secret = secret };
Debug.Log( data );
// output : { roomLink = localhost:8338, roomName = new room name, secret = password35 }
        
var json = JsonUtility.ToJson( data );
Debug.Log("JSON = " + json.ToString() );
// output : JSON = {}

Debug.Log("JSON = " + UnityEditor.EditorJsonUtility.ToJson( json ).ToString() );
// output : JSON = {}