OpportunityTierAssetCreateRequest

{
    "tierId": "tier-123e4567-e89b-12d3-a456-426614174000",
    "assetId": "550e8400-e29b-41d4-a716-446655440000",
    "meta": {
        "assetType": "display",
        "name": "Premium In-store Display",
        "description": "High-visibility promotional display for premium tier participants",
        "specifications": {
            "dimensions": "2m x 1.5m",
            "location": "store entrance",
            "material": "cardboard"
        }
    }
}