Get all field configurations

{
  "maxResults": 50,
  "startAt": 0,
  "total": 2,
  "isLast": true,
  "values": [
    {
      "id": 10000,
      "name": "Default Field Configuration",
      "description": "The default field configuration description",
      "isDefault": true
    },
    {
      "id": 10001,
      "name": "My Field Configuration",
      "description": "My field configuration description"
    }
  ]
}