curl --location -g --request POST 'https://api.iotwireless.{region}.amazonaws.com/indices/cardinality' \
--header 'Content-Type: application/json' \
--data-raw '{
"indexName": "string",
"queryString": "string",
"aggregationField": "string",
"queryVersion": "string"
}'
{
"cardinality": 0
}