CreateCollectionBody

{
    "name": "My Collection",
    "description": "A collection of rewards",
    "amount": 10,
    "isVideo": false,
    "type": "one_to_one",
    "rewardIds": [
        "123e4567-e89b-12d3-a456-426655440000"
    ],
    "image": "<binary>",
    "collectibles": [
        "<binary>",
        "<binary>"
    ]
}