will these characters work in my model
https://www.cgstudio.com/3d-model/hockey-player-and-hockey-goalkeeper-cg-41531
Cant say that these specific characters would work but in general you can refer to the following article for file formats that can be imported.:
https://communities.bentley.com/products/microstation/microstation_visualization/w/microstation_visualization_wiki/33761/lumenrt-objects