How to get permission to access db of test environment

[#1]

When try to test proxy, it throws below error. The user has 'Organization Administrator' Role assigned.

https://{{org}}-{{env}}.apigee.net/v1/products

After replacing org as my Orgnaization name and env = test

The below error is because trying to consume following API for db of test environment:\

https://{org}}-{{env}}..apigee.net/db

{
    "error": "unauthorized",
    "error_description": "This resource requires admin rights.",
    "exception": ""
}