curl --request GET \
  --url https://harness.example.com/admin/harnesses/{harness}/managed-config \
  --header 'Authorization: Bearer <token>'

const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch('https://harness.example.com/admin/harnesses/{harness}/managed-config', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://harness.example.com/admin/harnesses/{harness}/managed-config"

headers = {"Authorization": "Bearer <token>"}

response = requests.get(url, headers=headers)

print(response.text)

{
  "revision": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "harness": "<string>",
  "managed_config_yaml": "<string>",
  "allow_unverified_versions": true,
  "version_requirement": "<string>"
}