unknown integration
curl \
-H "Authorization: Bearer $ACCESS_TOKEN" \
https://migrationcenter.googleapis.com/v1alpha1/{name}curl \
-H "Authorization: Bearer $ACCESS_TOKEN" \
https://migrationcenter.googleapis.com/v1alpha1/{parent}/assetscurl \
-H "Authorization: Bearer $ACCESS_TOKEN" \
https://migrationcenter.googleapis.com/v1alpha1/{parent}/groups