I wrote a blog post about this. I’m not saying that this solution is the perfect way to do it. However, it does make it happen and cleans up several of the problems associated with the way I chose to do it so that the end result is a very painless workflow.
https://goeshard.org/2025/01/01/using-tiled-object-layers-with-defold-tilemaps/
Please let me know what you think and if you think there is anything I should edit or know about. I’m well known for doing things the hard way the first time around.