Get activity code

curl --request GET \
  --url https://api.smokeball.com/activitycodes/{id} \
  --header 'Authorization: <api-key>' \
  --header 'x-api-key: <api-key>'

{
  "href": "<string>",
  "relation": "<string>",
  "method": "GET",
  "self": {
    "id": "<string>",
    "href": "<string>",
    "relation": "<string>",
    "method": "GET"
  },
  "id": "23d2a4bc-8529-462e-8560-dfbf4fa24e49",
  "versionId": "23d2a4bc-8529-462e-8560-dfbf4fa24e49",
  "updatedByUserId": "750eb5c5-ac0b-7d11-4997-e0ce9d8896c8",
  "type": 0,
  "description": "Contract review",
  "code": "CR",
  "isBillable": true,
  "rateType": 2,
  "rate": 23.2,
  "quantity": 0.6,
  "taxInclusive": true,
  "taxExempt": true,
  "isDeleted": true
}