Task: Add text to a downloaded image

n8n workflow:
{"id":"1","name":"Add text to an image downloaded from the internet","nodes":[{"name":"On clicking 'execute'","type":"n8n-nodes-base.manualTrigger","position":[620,170],"parameters":{},"typeVersion":1},{"name":"Edit Image","type":"n8n-nodes-base.editImage","position":[1020,170],"parameters":{"text":"This is n8n","options":{},"fontSize":100,"operation":"text","positionX":300,"positionY":500},"typeVersion":1},{"name":"HTTP Request","type":"n8n-nodes-base.httpRequest","position":[820,170],"parameters":{"url":"https://docs.n8n.io/assets/img/final-workflow.f380b957.png","options":{},"responseFormat":"file"},"typeVersion":1}],"active":false,"settings":{},"connections":{"HTTP Request":{"main":[[{"node":"Edit Image","type":"main","index":0}]]},"On clicking 'execute'":{"main":[[{"node":"HTTP Request","type":"main","index":0}]]}}}