{
  "fields": [{"type":"int","id":"_id"},{"type":"text","id":"การใช้งาน"},{"type":"numeric","id":"ปกติ"},{"type":"numeric","id":"เสีย"}],
  "records": [
    [1,"ใช้งานเฉพาะทาง",179,124],
    [2,"ใช้สำหรับเฝ้าระวังเหตุ",840,664]
]}