curl --request POST \
  --url https://core.ravenna.ai/api/analytics/execute-single \
  --header 'Content-Type: application/json' \
  --header 'x-ravenna-api-token: <api-key>' \
  --data '{
  "widgetId": "<string>",
  "workspaceId": "<string>",
  "filters": {
    "period": "hour",
    "dateRange": {
      "from": "<string>",
      "to": "<string>"
    }
  },
  "ravFilters": [
    {
      "field": "<string>",
      "condition": "<string>",
      "value": "<string>",
      "given": "<string>"
    }
  ],
  "widget": {
    "query": "<any>",
    "type": "TREND"
  }
}'

{
  "value": 123,
  "previousValue": 123,
  "change": 123,
  "changePercentage": 123
}