post https://api.reservoir.tools/collections-sets/v1
Array of collections to gather in a set. Adding or removing a collection will change the response. You may use this set when collectionSetId is an available param. An example is below.
"collections": "0xba30E5F9Bb24caa003E9f2f0497Ad287FDF95623", "0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D"
"collectionsSetId": "8daa732ebe5db23f267e58d52f1c9b1879279bcdf4f78b8fb563390e6946ea65"