Write 2 javascript function to pack and unpack an array of entities to an arraybuffer. The entities have the following fields: id:4bits, size: 3bits. there is no padding between entities, nor between their fields.
user
{"source": "ewof/sharegpt-instruct-unfiltered-deduped", "kind": "human", "evolved_from": null}
Write 2 javascript function to pack and unpack an array of entities to an arraybuffer. The entities have the following fields: id:4bits, size: 3bits. there is no padding between entities, nor between their fields.
user
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