Task: Transfer Google Analytics data to Airtable database

n8n workflow JSON:
{"id":"205","name":"Get analytics of a website and store it Airtable","nodes":[{"name":"On clicking 'execute'","type":"n8n-nodes-base.manualTrigger","position":[270,300],"parameters":{},"typeVersion":1},{"name":"Google Analytics","type":"n8n-nodes-base.googleAnalytics","position":[470,300],"parameters":{"viewId":"","additionalFields":{"metricsUi":{"metricValues":[{"alias":"Sessions","expression":"ga:sessions"}]},"dimensionUi":{"dimensionValues":[{"name":"ga:country"}]},"dateRangesUi":{"dateRanges":{"endDate":"2020-08-30T18:30:00.000Z","startDate":"2019-12-31T18:30:00.000Z"}}}},"credentials":{"googleAnalyticsOAuth2":"analytics-dev"},"typeVersion":1},{"name":"Set","type":"n8n-nodes-base.set","position":[670,300],"parameters":{"values":{"number":[{"name":"Metric","value":"={{$json[\"total\"]}}"}],"string":[{"name":"Country","value":"={{$json[\"ga:country\"]}}"}]},"options":{},"keepOnlySet":true},"typeVersion":1},{"name":"Airtable","type":"n8n-nodes-base.airtable","position":[870,300],"parameters":{"table":"Table 1","options":{},"operation":"append","application":""},"credentials":{"airtableApi":"Airtable Credentials n8n"},"typeVersion":1}],"active":false,"settings":{},"connections":{"Set":{"main":[[{"node":"Airtable","type":"main","index":0}]]},"Google Analytics":{"main":[[{"node":"Set","type":"main","index":0}]]},"On clicking 'execute'":{"main":[[{"node":"Google Analytics","type":"main","index":0}]]}}}