can i add nbt to this?

    "type": "minecraft:crafting_shaped",
    "pattern": [
        "rgr",
        "rhr",
        "rir"
    ],
    "key": {
        "h": {
            "item": "minecraft:heart_of_the_sea"
        },
        "r": {
            "item": "minecraft:redstone"
        },
        "i": {
            "item": "minecraft:iron_chestplate"
        },
        "g": {
            "item": "minecraft:gold_ingot"
        }
    },
    "result": {
        "item": "knowledge_book",
        "nbt": "{display:{Name:{\"text\":\"test\"}}}"
    }
}```