Get license features

curl --request GET \
  --url https://your_a2_service/license

{
  "analytic": [
    "advertiser"
  ],
  "campaign": [
    "impression"
  ],
  "creative": [
    "display"
  ],
  "media_library": [
    "local"
  ],
  "name": "<string>",
  "notification": [
    "adm"
  ]
}