Task: Receive updates for the position of the ISS and push it to a Firbase

n8n workflow JSON:
{"id":"134","name":"Receive updates for the position of the ISS every minute and push it to a database","nodes":[{"name":"Cron","type":"n8n-nodes-base.cron","position":[550,300],"parameters":{"triggerTimes":{"item":[{"mode":"everyMinute"}]}},"typeVersion":1},{"name":"HTTP Request","type":"n8n-nodes-base.httpRequest","position":[750,300],"parameters":{"url":"https://api.wheretheiss.at/v1/satellites/25544/positions","options":{},"queryParametersUi":{"parameter":[{"name":"timestamps","value":"={{Date.now();}}"}]}},"typeVersion":1},{"name":"Set","type":"n8n-nodes-base.set","position":[950,300],"parameters":{"values":{"number":[{"name":"latitude","value":"={{$node[\"HTTP Request\"].json[\"0\"][\"latitude\"]}}"},{"name":"longitude","value":"={{$node[\"HTTP Request\"].json[\"0\"][\"longitude\"]}}"},{"name":"timestamp","value":"={{$node[\"HTTP Request\"].json[\"0\"][\"timestamp\"]}}"}],"string":[]},"options":{},"keepOnlySet":true},"typeVersion":1},{"name":"Google Cloud Realtime Database","type":"n8n-nodes-base.googleFirebaseRealtimeDatabase","position":[1150,300],"parameters":{"path":"iss","operation":"push","projectId":"","attributes":"latitude, longitude, timestamp"},"credentials":{"googleFirebaseRealtimeDatabaseOAuth2Api":"firebase realtime credentials"},"typeVersion":1}],"active":false,"settings":{},"connections":{"Set":{"main":[[{"node":"Google Cloud Realtime Database","type":"main","index":0}]]},"Cron":{"main":[[{"node":"HTTP Request","type":"main","index":0}]]},"HTTP Request":{"main":[[{"node":"Set","type":"main","index":0}]]}}}