Share a character without needing to share all those morphs, receive a look / scene without having to worry about bad morphs. Create a 'base morph' for values that make up a look, only morphs needed ...
You'll probably want to get the Buffer of the Aseprite file in whatever way you feel like. For the example, we'll just use fs.readFileSync(). But you can get it from a network request, etc. After ...