{
	"$schema":"http://json-schema.org/draft-04/schema#",
	"additionalProperties":false,
	"description":"Version v7",
	"properties":{
		"is_removed":{
			"type":"boolean"
		},
		"marked_utc_timestamp":{
			"type":"integer"
		},
		"marker_id":{
			"type":"string"
		}
	},
	"required":[
		"marker_id",
		"marked_utc_timestamp",
		"is_removed"
	],
	"title":"ItemMark",
	"type":"object"
}