{
  "fields": [{"id":"_id","type":"int"},{"id":"year","type":"numeric"},{"id":"month","type":"numeric"},{"id":"country_from","type":"text"},{"id":"city_to","type":"text"},{"id":"count","type":"numeric"}],
  "records": [
    [1,2022,1,"Vietnam","Busan",126],
    [2,2022,2,"Vietnam","Busan",75],
    [3,2022,3,"Vietnam","Busan",97],
    [4,2022,4,"Vietnam","Busan",42],
    [5,2022,5,"Vietnam","Busan",88],
    [6,2022,6,"Vietnam","Busan",39],
    [7,2022,7,"Vietnam","Busan",78],
    [8,2022,8,"Vietnam","Busan",146],
    [9,2022,9,"Vietnam","Busan",70],
    [10,2022,10,"Vietnam","Busan",125],
    [11,2022,11,"Vietnam","Busan",146],
    [12,2022,12,"Vietnam","Busan",123]
]}