curl --request PUT \
  --url http://localhost:3000/v1/roles/{id}/permissions \
  --header 'Content-Type: application/json' \
  --data '
{
  "permission_ids": [
    "3c90c3cc-0d44-4b50-8888-8dd25736052a"
  ]
}
'

{
  "success": true,
  "permission_count": 123
}