curl --request GET \
  --url https://api.anchorage-staging.com/v2/onboarding/subaccounts/{subaccountId} \
  --header 'Api-Access-Key: <api-key>'

{
  "data": {
    "entries": [
      {
        "key": "<string>",
        "value": "<string>"
      }
    ],
    "externalId": "<string>",
    "status": "<string>",
    "subaccountId": "<string>",
    "errors": [
      {
        "key": "<string>",
        "value": "<string>"
      }
    ],
    "name": "<string>"
  }
}