List Collections

curl -i '<QUICKNODE_URL>' -X POST -H 'content-type: application/json' --data-binary '{
    "jsonrpc": "2.0",
    "method": "cm_listCollections",
    "params": [
    ]
  }'

[
    {
        "id": "<collectionId>",
        "metadata": {
            "name": "my collection name",
            "description": "my collection description",
            "imageUrl": "https://www.crossmint.com/api/2022-06-09/media/defaultCollectionImage"
        },
        "onChain": {
            "chain": "solana",
            "type": "metaplex-certified-collection"
        }
    }
]