Hello and welcome to the forum 
Using individual transforms to animate regular movement or rotation is not needed anymore because of the ability to animate a transform mask.
This is done with the Animation Curves Docker:
Animation Curves Docker — Krita Manual 5.0.0 documentation
Animation Curves Docker — Krita Manual 5.0.0 documentation
Here is an example of an animated transform used to move and rotate an object over several frames in a smooth manner:
The Animation Curves Docker takes some getting used to but it’s very much worth the effort of learning its facilities and controls.
Here is an example of animated transform masks being used to move and rotate various ‘objects’ on different layers.
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If you get stuck with anything then just ask for help and advice.