BulkAssociationCreateResponse

{
    "created": [
        {
            "id": "123e4567-e89b-12d3-a456-426614174000",
            "opportunityId": "123e4567-e89b-12d3-a456-426614174001",
            "advertiserId": "123e4567-e89b-12d3-a456-426614174002",
            "userId": "123e4567-e89b-12d3-a456-426614174003",
            "isActive": true,
            "createdAt": "2024-06-28T10:30:00Z",
            "updatedAt": "2024-06-28T10:30:00Z"
        }
    ],
    "totalCreated": 3,
    "skipped": 1,
    "errors": [
        {
            "association": {},
            "error": "Validation failed"
        }
    ],
    "debug": {
        "associationsToCreate": 4,
        "existingAssociations": 1,
        "newAssociations": 3
    }
}