{
	"$schema":"http://json-schema.org/draft-04/schema#",
	"additionalProperties":false,
	"description":"Version v4",
	"properties":{
		"x_index":{
			"type":"integer"
		},
		"y_index":{
			"type":"integer"
		},
		"zoom_level":{
			"type":"integer"
		}
	},
	"title":"TileId",
	"type":"object"
}