Task: Gather leads in Google Sheet and Mailchimp

n8n workflow JSON:
{"id":"1","name":"Google Sheet to Mailchimp","nodes":[{"name":"On clicking 'execute'","type":"n8n-nodes-base.manualTrigger","position":[110,300],"parameters":{},"typeVersion":1},{"name":"Google Sheets","type":"n8n-nodes-base.googleSheets","position":[530,300],"parameters":{"range":"sheetone!A:C","options":{},"sheetId":"1jwEoPPrkQ2qYMYLZ_I0hlME_Ya_p2YZvaxG10Nf_R20"},"credentials":{"googleApi":"Google mailchimp"},"typeVersion":1},{"name":"Mailchimp","type":"n8n-nodes-base.mailchimp","position":[720,300],"parameters":{"list":"90d12734de","email":"={{$node[\"Google Sheets\"].json[\"email\"]}}","status":"subscribed","options":{}},"credentials":{"mailchimpApi":"Google mailchimp"},"typeVersion":1},{"name":"Interval","type":"n8n-nodes-base.interval","position":[290,300],"parameters":{"interval":2},"typeVersion":1}],"active":true,"settings":{},"connections":{"Interval":{"main":[[{"node":"Google Sheets","type":"main","index":0}]]},"Google Sheets":{"main":[[{"node":"Mailchimp","type":"main","index":0}]]},"On clicking 'execute'":{"main":[[]]}}}