Task: Enrich Google Sheet contacts with Dropcontact

n8n workflow JSON:
{"nodes":[{"name":"On clicking 'execute'","type":"n8n-nodes-base.manualTrigger","position":[250,300],"parameters":{},"typeVersion":1},{"name":"Dropcontact","type":"n8n-nodes-base.dropcontact","position":[650,300],"parameters":{"email":"={{$json[\"email\"]}}","options":{"siren":true,"language":"fr"},"additionalFields":{"company":"={{$json[\"companyName\"]}}","website":"={{$json[\"website\"]}}","linkedin":"={{$json[\"LinkedIn\"]}}","full_name":"={{$json[\"fullName\"]}}","last_name":"={{$json[\"lastName\"]}}","first_name":"={{$json[\"firstName\"]}}"}},"credentials":{"dropcontactApi":{"id":"6","name":""}},"typeVersion":1},{"name":"Google Sheets","type":"n8n-nodes-base.googleSheets","position":[450,300],"parameters":{"range":"A:K","options":{"continue":false},"sheetId":"","authentication":"oAuth2"},"credentials":{"googleSheetsOAuth2Api":{"id":"7","name":"Google Sheets account"}},"typeVersion":1},{"name":"Lemlist","type":"n8n-nodes-base.lemlist","position":[850,300],"parameters":{"email":"={{$node[\"Dropcontact\"].json[\"email\"][0][\"email\"]}}","resource":"lead","campaignId":"","additionalFields":{"lastName":"={{$node[\"Dropcontact\"].json[\"last_name\"]}}","firstName":"={{$node[\"Dropcontact\"].json[\"first_name\"]}}","companyName":"={{$node[\"Dropcontact\"].json[\"company\"]}}"}},"credentials":{"lemlistApi":{"id":"9","name":"Lemlist account"}},"typeVersion":1}],"connections":{"Dropcontact":{"main":[[{"node":"Lemlist","type":"main","index":0}]]},"Google Sheets":{"main":[[{"node":"Dropcontact","type":"main","index":0}]]},"On clicking 'execute'":{"main":[[{"node":"Google Sheets","type":"main","index":0}]]}}}