minecraft-assets/assets/minecraft/font/uniform.json

{
    "providers": [
        {
            "type": "space",
            "advances": {
                " ": 4,
                "\u200c": 0
            }
        },
        {
            "type": "legacy_unicode",
            "sizes": "minecraft:font/glyph_sizes.bin",
            "template": "minecraft:font/unicode_page_%s.png"
        }
    ]
}