{"name":"chat","firstLayer":2,"lastLayer":233,"ids":[{"id":"6e9c9bc7","from":2,"to":23},{"id":"d91cdd54","from":46,"to":92},{"id":"3bda1bde","from":93,"to":132},{"id":"41cbf256","from":133,"to":233}],"present":[[2,233]],"missingIn":[]}