curl --request POST \
  --url https://api.exchange.fairx.net/rest/firm-product-group-limit/remove \
  --header 'Content-Type: application/json' \
  --data '{
  "firm_uuid": "f81d4fae-7dec-11d0-a765-00a0c91e6bf6",
  "product_group": "CRYPTO"
}'

{
  "firm_uuid": "f81d4fae-7dec-11d0-a765-00a0c91e6bf6",
  "product_group": "CRYPTO",
  "trading_disabled": true
}