Task: Download a file and upload it to an FTP Server

n8n workflow JSON:
{"nodes":[{"name":"On clicking 'execute'","type":"n8n-nodes-base.manualTrigger","position":[250,350],"parameters":{},"typeVersion":1},{"name":"FTP","type":"n8n-nodes-base.ftp","position":[650,350],"parameters":{"path":"/upload/n8n_logo.png","operation":"upload"},"credentials":{"ftp":"ftp_creds"},"typeVersion":1},{"name":"FTP1","type":"n8n-nodes-base.ftp","position":[850,350],"parameters":{"path":"/upload/","operation":"list"},"credentials":{"ftp":"ftp_creds"},"typeVersion":1},{"name":"HTTP Request","type":"n8n-nodes-base.httpRequest","position":[450,350],"parameters":{"url":"https://n8n.io/n8n-logo.png","options":{},"responseFormat":"file"},"typeVersion":1}],"connections":{"FTP":{"main":[[{"node":"FTP1","type":"main","index":0}]]},"HTTP Request":{"main":[[{"node":"FTP","type":"main","index":0}]]},"On clicking 'execute'":{"main":[[{"node":"HTTP Request","type":"main","index":0}]]}}}