A GGUF conversion of this great work https://huggingface.co/Phr00t/WAN2.2-14B-Rapid-AllInOne
simple JSON workflow (you need only gguf loader custom node): https://civarchive.com/api/download/models/2099499?type=Training%20Data
umt5xxl and vae excluded. you can use separated ones from wan 2.1