qmk_firmware/keyboards/rocketboard_16/info.json

{
    "keyboard_name": "Rocketboard-16",
    "manufacturer": "Rocketboard",
    "url": "",
    "maintainer": "fl3tching101",
    "usb": {
        "vid": "0xB034",
        "pid": "0xFF16",
        "device_version": "0.0.1"
    },
    "bootmagic": {
        "matrix": [4, 1]
    },
    "layout_aliases": {
        "LAYOUT_default": "LAYOUT"
    },
    "layouts": {
        "LAYOUT": {
            "layout": [
                {"x": 0, "y": 0},
                {"x": 3, "y": 0},

                {"x": 0, "y": 1},
                {"x": 1, "y": 1},
                {"x": 2, "y": 1},
                {"x": 3, "y": 1},

                {"x": 0, "y": 2},
                {"x": 1, "y": 2},
                {"x": 2, "y": 2},
                {"x": 3, "y": 2},

                {"x": 0, "y": 3},
                {"x": 1, "y": 3},
                {"x": 2, "y": 3},
                {"x": 3, "y": 3},

                {"x": 0, "y": 4},
                {"x": 1, "y": 4},
                {"x": 2, "y": 4},
                {"x": 3, "y": 4}
            ]
        }
    }
}