{
	"$schema": "http://json-schema.org/draft-04/schema#",
	"required": [
			"password",
			"username",
			"gstin"
	],
	"type": "object",
	"properties": {
			"password": {
					"type": "string"
			},
			"username": {
					"type": "string"
			},
			"gstin": {
					"maxLength": 15,
					"minLength": 15,
					"pattern": "^([0-9]{2}[0-9A-Z]{13})$",
					"type": "string"
			}
	}
}