{
 "objectIdFieldName": "",
 "fields": [
  {
   "name": "objectid",
   "type": "esriFieldTypeOID",
   "alias": "objectid",
   "domain": null
  },
  {
   "name": "value",
   "type": "esriFieldTypeInteger",
   "alias": "value",
   "domain": null
  },
  {
   "name": "classname",
   "type": "esriFieldTypeString",
   "alias": "classname",
   "domain": null,
   "length": 254
  },
  {
   "name": "red",
   "type": "esriFieldTypeInteger",
   "alias": "red",
   "domain": null
  },
  {
   "name": "green",
   "type": "esriFieldTypeInteger",
   "alias": "green",
   "domain": null
  },
  {
   "name": "blue",
   "type": "esriFieldTypeInteger",
   "alias": "blue",
   "domain": null
  },
  {
   "name": "alpha",
   "type": "esriFieldTypeInteger",
   "alias": "alpha",
   "domain": null
  }
 ],
 "features": [
  {"attributes": {
   "objectid": 1,
   "value": 1,
   "classname": "High",
   "red": 255,
   "green": 85,
   "blue": 0,
   "alpha": 255
  }},
  {"attributes": {
   "objectid": 2,
   "value": 2,
   "classname": "Medium",
   "red": 255,
   "green": 170,
   "blue": 0,
   "alpha": 255
  }},
  {"attributes": {
   "objectid": 3,
   "value": 3,
   "classname": "Low",
   "red": 168,
   "green": 168,
   "blue": 0,
   "alpha": 255
  }}
 ]
}