If you already have a WBFS file from a trusted source:
For users with a homebrewed console, playing Just Dance 2019 via USB Loader GX or WiiFlow requires converting your game to the WBFS format. Just Dance 2019 just dance 2019 wii wbfs
If you are looking to verify a file or ensure you have the correct region, here are the standard details for the WBFS file of Just Dance 2019: If you already have a WBFS file from