Server API ver. 2

{

	"UpdatedAt": "2020-10-12T20:34:00+09:00",

	"Levels": [

		[0, 10],

		[10, 20],

		[20, 30],

		[30, 40],

		[40, 50],

		[50, 60],

		[60, 70],

		[70, 80],

		[80, 90],

		[90, 1000000000]

	]

}