{"ret":0,"signature":"QBzRxPwLXuMXxpx3VO8D+s550ZdzZWNyZXRJZD1BS0lEQjhyYjZQdWJMbzIxbEhCNUtJMFNnaFNKRzhzUW5uSFYmY3VycmVudFRpbWVTdGFtcD0xNjg1OTA5OTc3JmV4cGlyZVRpbWU9MTY4NjA4Mjc3NyZyYW5kb209NDQ1NTc0MzY="}