生成 TikTok Web X-Mssdk-Info 签名值

{
  "type": "object",
  "required": [],
  "properties": {
    "body": {
      "type": "object",
      "title": "XMssdkInfoModel",
      "properties": {
        "user_agent": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "title": "User Agent",
          "description": "可选的 User-Agent 字符串；目前不支持自定义，默认使用固定值。"
        }
      },
      "x-readme-ref-name": "XMssdkInfoModel"
    },
    "queryParams": {
      "type": "object",
      "properties": {},
      "additionalProperties": true
    }
  },
  "additionalProperties": false
}