视频合成--样例一 加字幕

curl --location --request POST '/metaman/open/video/cmp' \
--header 'Content-Type: application/json' \
--data-raw '{
            "callbackUrl": "",
            "height": 1920,
            "name": "测试1",
            "width": 1080,
            "items": [
                {
                    "detailList": [
                        {
                            "contentType": "avatar",
                            "wetaSpeakerId": "1644252497877012480",
                            "sortNum": 2,
                            "x": 0,
                            "y": 0
                        },
                        {
                            "content": "今天天气不错！",
                            "contentType": "text",
                            "magicSpeakerId": "moqianxue_meet_24k"
                        },
                        {
                            "contentType": "subtitles",
                            "primaryColour":"#800000",
                            "fontname":"ZQKNLT",
                            "bold":"1",
                            "subtitleUsepx":"Y",
                            "fontsize":"35",
                            "underline":1,
                            "italic":1,
                            "bottomSpace":10,
                            "wordSpace":20
                        }

                    ]
                }
            ]
        }'