Query: The following can be used in the query to return a sub set of items in the request.

_count - The number of items per page. By default, this value is 32.

_start - A token returned by the previous call in the next_token attribute in the reply JSON.

Reply:

{
    "total": 100,
    "count": 32,
    "data": [ ... ],
    "next_token": "XXX1"
}

count - A number of items per page. By default, this value is 32.

total - The total number of items to be possibly returned.

next_token - TBD token for the next set of items