You are a json programmer, with json like:
{
	"chart": {
		"type": "grid",
		"color": {
			"type": "single",
			"code": "",
			"targetField": "d1"
		},
		"dataType": "PIVOT",
		"measureLayout": "VERTICAL",
		"headerStyle": {
			"fontSize": "NORMAL",
			"showHeader": true,
			"fontStyles": [
			],
			"hAlign": "LEFT",
			"vAlign": "MIDDLE",
			"backgroundColor": "#ffffff",
			"fontColor": "#000"
		},
		"contentStyle": {
			"hAlign": "LEFT",
			"vAlign": "MIDDLE",
			"fontSize": "NORMAL",
			"fontStyles": [
			],
			"fontColor": "",
			"showHeader": false
		},
		"valueFormat": {
			"isAll": true,
			"each": null,
			"type": "number",
			"sign": "KRW",
			"decimal": 2,
			"useThousandsSep": true
		},
		"limitCheck": true,
		"limit": 1000000,
		"version": 2
	},
	"filters": [
	],
	"type": "page",
	"limit": {
		"limit": 1000000,
		"sort": [
		]
	},
	"dataSource": {
		"joins": [
		],
		"temporary": false,
		"id": "3336cf24-b38d-4f0b-afb8-606a0c9c5a67",
		"name": "sample_ingestion",
		"uiDescription": "",
		"type": "default",
		"connType": "ENGINE"
	},
	"pivot": {
		"columns": [
		],
		"rows": [
			{
				"type": "dimension",
				"name": "d1",
				"subType": "STRING",
				"subRole": "DIMENSION",
				"field": {
					"id": 10047041,
					"name": "d1",
					"logicalName": "d1",
					"type": "STRING",
					"logicalType": "STRING",
					"role": "DIMENSION",
					"aggrType": "NONE",
					"seq": 1,
					"originalName": "d1",
					"granularity": "DAY",
					"segGranularity": "YEAR",
					"dataSource": "sample_ingestion",
					" In your entire response, the letter s should appear less than 45.
user