{
  "title": "测试邮件标题",
  "content": "这是一封测试邮件的内容",
  "recipientType": "SELF",
  "sendTime": "2026-10-16T08:03:58.479Z",
  "triggerType": "TIME",
  "triggerCondition": {},
  "attachments": [],
  "isEncrypted": false,
  "capsuleStyle": "default"
}