Is there a way to update my Server Resourcepack fast? 1.21.4

[exotic rune]

all of my custom model data broke and I have to Update 50 files with some of them having around 200 different custom model data is there a way to update it as fast as possible?
Some of them are just textures and others are models

[hoary walrus]

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[topaz yoke]

regex and replace selected text

on phone rn, so I can't show any details

[rancid fable]

@exotic rune I used this website, it converts the json code for you. https://codepen.io/ZenithKnight/full/MWNPvaY

[exotic rune]

thank you so much :D