Hightouch

"integrations": {
    "hightouch": {
        "writeKey": "required"
        "apiHost": "optional"
    }
}

"integrations": {
    "hightouch": {
        "writeKey": "9132c81do371p76sr11da0075469b54f77649c9a067dp0303p56q0q64n072336"
        "apiHost": "us-east-1.hightouch-events.com" # 可选，默认为 `us-east-1.hightouch-events.com`
    }
}