获取指定 POI 信息

{
  "type": "string",
  "key": "string",
  "displayName": "string",
  "description": "string",
  "displayNameEn": "string",
  "descriptionEn": "string",
  "properties": [
    {
      "name": "string",
      "value": "string"
    }
  ],
  "photos": [
    "string"
  ],
  "basincode": 0,
  "subbasincd": "string",
  "binstrval": 0,
  "binstrlen": 0
}

{
  "detail": "参数验证失败"
}

{
  "detail": "Resource not found"
}

{
  "detail": "服务器内部错误"
}