curl -X GET "https://cmr.earthdata.nasa.gov/search/collections.native?provider=ges_disc&page_size=2000&concept_id=C1223726607-GES_DISC&pretty=true"

returns:

<?xml version="1.0" encoding="UTF-8"?>

<results>

    <hits>1</hits>

    <took>16</took>

    <result concept-id="C1223726607-GES_DISC"

        format="application/dif10+xml" revision-id="26">

metadata body....

   </result>

</results>