JSON response for listing categories

Each entry has the parent and its category ID, followed by any children and their category IDs.

{
"Categories": 
[
{
"Category Name": "User-Defined", 
"Category ID":64,
"Category Description":"User defined categories", 
"Category Hierarchy":45000,
"Category Owner":"Forcepoint", 
"Children":
[
{
"Category Name": "Malicious XYZ", 
"Category ID":1910,
"Category Description":"Malicious URLs from XYZ",
"Category Hierarchy":65535, 
"Category Owner":"API"
},
{
"Category Name": "Malicious ABC", 
"Category ID":1911,
"Category Description":"Malicious URLs from ABC",
"Category Hierarchy":65535, 
"Category Owner":"API"
},
{
"Category Name": "Malicious DEF", 
"Category ID":1912,
"Category Description":"Malicious URLs from DEF",
"Category Hierarchy":65535, 
"Category Owner":"API"
},
]
},
{
"Category Name": "Nudity", 
"Category ID":65,
"Category Description":"User defined categories", 
"Category Hierarchy":44000,
"Category Owner":"Forcepoint"
}
]
}