curl --request GET \
  --url https://gateway.polymarket.us/v2/sports

{
  "sports": [
    {
      "name": "<string>",
      "slug": "<string>",
      "image": "<string>",
      "leagues": [
        {
          "name": "<string>",
          "slug": "<string>",
          "image": "<string>",
          "isOperational": true,
          "automaticResolution": true
        }
      ],
      "id": 123
    }
  ]
}