链接素材

{
    "title": "string",
    "type": "text",
    "sort": 0,
    "labelIds": [
        "string"
    ],
    "metaMediaGroupId": [
        "string"
    ],
    "customerTagIds": [
        "string"
    ],
    "summary": "string",
    "link": "string",
    "picture": "string",
    "pictureSize": 0,
    "pictureWide": 0,
    "pictureHigh": 0
}