const response = await fetch(
  "https://api.socialfetch.dev/v1/polymarket/markets/batch?conditionIds=0x0f49db97f71c68b1e42a6d16e3de93d85dbf7d4148e3f018eb79e88554be9f75&tokenIds=54533043819946592547517511176940999955633860128497669742211153063842200957669",
  {
    headers: {
      "x-api-key": "YOUR_API_KEY"
    }
  }
);

const data = await response.json();
console.log(data);