curl --request GET \
  --url https://api.permutive.app/audience-api/v1/imports

{
  "items": [
    {
      "id": "ef832310-b808-44f4-86bc-947be1cd37c7",
      "name": "Data Provider Name",
      "code": "data_provider_name",
      "relation": "3rd",
      "identifiers": [
        "appnexus"
      ],
      "inheritance": {
        "workspace_id": "5de2731c-8dcf-4e12-a815-e58b481bd8ac",
        "relation": "ancestor"
      },
      "source": {
        "id": "f93e5c65-7b2e-4c38-b721-3beb93e4f877",
        "state": {
          "type": "active"
        },
        "type": "live_ramp_3p"
      }
    }
  ]
}