curl --request GET \
  --url https://api.interchange.io/api/v2/storefront/esa/{esaId}/media-buys \
  --header 'Authorization: Bearer <token>'

{
  "mediaBuys": [
    {
      "mediaBuyId": "<string>",
      "principalId": "<string>",
      "principalName": "<string>",
      "status": "<string>",
      "flightStartDate": "<string>",
      "flightEndDate": "<string>",
      "totalBudget": 123,
      "currency": "<string>",
      "createdAt": "<string>",
      "buyerRef": "<string>",
      "deliveredImpressions": 0,
      "deliveredSpend": 123,
      "pacing": "<string>"
    }
  ],
  "count": 4503599627370495,
  "nextCursor": "<string>"
}