Maximizing JSON Efficiency in JavaScript

Looking to incorporate a static dataset into a react-native app.

This dataset consists of similarly structured objects:

[someUniqueId:string]: {
  title: string
  // and ~50 numeric properties like
  protein: number
  ...
}

With around 9000 items in this format, I am aiming to efficiently access values by key, such as dataset[someKey].protein. However, I am aware that the majority of the file size is due to the keys rather than the values. How can I optimize the file size while maintaining simplicity in reading and filtering?

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