swap_cmd_and_option_in_external_keyboard.json

{
    "title": "ALT <=> CMD in External keyboard",
    "rules": [
        {
            "description": "Swap option and command in External keyboard",
            "manipulators": [
                {
                    "conditions": [
                        {
                            "type": "device_unless",
                            "identifiers": [
                                {
                                    "vendor_id": 1452,
                                    "product_id": 632
                                }
                            ]
                        }
                    ],
                    "type": "basic",
                    "from": {
                        "key_code": "left_option",
                        "modifiers": {
                            "optional": [
                                "any"
                            ]
                        }
                    },
                    "to": [
                        {
                            "key_code": "left_command"
                        }
                    ]
                },
                {
                    "conditions": [
                        {
                            "type": "device_unless",
                            "identifiers": [
                                {
                                    "vendor_id": 1452,
                                    "product_id": 632
                                }
                            ]
                        }
                    ],
                    "type": "basic",
                    "from": {
                        "key_code": "left_command",
                        "modifiers": {
                            "optional": [
                                "any"
                            ]
                        }
                    },
                    "to": [
                        {
                            "key_code": "left_option"
                        }
                    ]
                },
                {
                    "conditions": [
                        {
                            "type": "device_unless",
                            "identifiers": [
                                {
                                    "vendor_id": 1452,
                                    "product_id": 632
                                }
                            ]
                        }
                    ],
                    "type": "basic",
                    "from": {
                        "key_code": "right_option",
                        "modifiers": {
                            "optional": [
                                "any"
                            ]
                        }
                    },
                    "to": [
                        {
                            "key_code": "right_command"
                        }
                    ]
                },
                {
                    "conditions": [
                        {
                            "type": "device_unless",
                            "identifiers": [
                                {
                                    "vendor_id": 1452,
                                    "product_id": 632
                                }
                            ]
                        }
                    ],
                    "type": "basic",
                    "from": {
                        "key_code": "right_command",
                        "modifiers": {
                            "optional": [
                                "any"
                            ]
                        }
                    },
                    "to": [
                        {
                            "key_code": "right_option"
                        }
                    ]
                }
            ]
        }
    ]
}

Better remove product_id from the conditions to target Apple keyboards generically.