the animation is available for purchase at ArtStation marketplace:
(in FBX format (on A-M mannequin model, as shown on the Sketchfab preview on this page) + the Bundle of Unreal Engine animation asset files (.uasset) for all base UE avatars including MetaHumans) + UNITY pack.
https://www.artstation.com/marketplace/p/1KGAb/dance-mosh-animation-loop-200bpm-fbx-ue-assets-unity-assets-pack
or
https://mocapdancer.artstation.com/store/1KGAb/dance-mosh-animation-loop-200bpm-fbx-ue-assets-unity-assets-pack