curl --request GET \
  --url https://app.variable.global/api/v1/activity/:uuid \
  --header 'Authorization: Bearer <token>'

{
  "uuid": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "name": "Name",
  "created": "2021-01-01T00:00:00.000Z",
  "updated": "2021-01-31T23:59:59.000Z",
  "syncId": "sync123",
  "description": "<string>",
  "quantity": 150,
  "unit": "kg",
  "UpstreamCO2e": "1234",
  "DownstreamCO2e": "0.5678",
  "product": {
    "uuid": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "name": "Product Name"
  },
  "scope": {
    "uuid": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "name": "Scope 2: Electricity"
  },
  "taxonomy": {
    "uuid": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "name": "Material"
  },
  "org": {
    "uuid": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "name": "Org Unit"
  },
  "startDate": "2021-01-01T00:00:00.000Z",
  "endDate": "2021-01-01T00:00:00.000Z",
  "CO2e": "1234.5678"
}