Task: Add subscribed customers to Airtable automatically

n8n workflow JSON:
{"nodes":[{"name":"Airtable","type":"n8n-nodes-base.airtable","position":[1090,340],"parameters":{"table":"Table 1","options":{},"operation":"append","application":""},"credentials":{"airtableApi":"Airtable Credentials n8n"},"typeVersion":1},{"name":"Set","type":"n8n-nodes-base.set","position":[890,340],"parameters":{"values":{"string":[{"name":"Name","value":"={{$json[\"contact_name\"]}}"},{"name":"Email","value":"={{$json[\"contact_email\"]}}"}]},"options":{},"keepOnlySet":true},"typeVersion":1},{"name":"GetResponse Trigger","type":"n8n-nodes-base.getResponseTrigger","position":[690,340],"webhookId":"4bdfc1fa-44bc-4293-987c-fb512327e845","parameters":{"events":["subscribe"],"listIds":["qtPk7"],"options":{}},"credentials":{"getResponseApi":"GetResponse API Credentials"},"typeVersion":1}],"connections":{"Set":{"main":[[{"node":"Airtable","type":"main","index":0}]]},"GetResponse Trigger":{"main":[[{"node":"Set","type":"main","index":0}]]}}}