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. The max limit of collection in an array is 500. An example is below.
"collections": "0xba30E5F9Bb24caa003E9f2f0497Ad287FDF95623", "0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D"
"collectionsSetId": "8daa732ebe5db23f267e58d52f1c9b1879279bcdf4f78b8fb563390e6946ea65"