Task: Get data from multiple RSS feeds to Telegram

n8n workflow JSON:
{"nodes":[{"name":"RSS Feed Read","type":"n8n-nodes-base.rssFeedRead","position":[420,-20],"parameters":{"url":"={{$node[\"SplitInBatches\"].json[\"url\"]}}"},"typeVersion":1},{"name":"SplitInBatches","type":"n8n-nodes-base.splitInBatches","position":[200,-20],"parameters":{"options":{},"batchSize":1},"typeVersion":1},{"name":"Cron","type":"n8n-nodes-base.cron","position":[-240,-20],"parameters":{"triggerTimes":{"item":[{"mode":"everyX","unit":"minutes","value":10}]}},"typeVersion":1},{"name":"only get new RSS","type":"n8n-nodes-base.function","position":[640,-20],"parameters":{"functionCode":"const staticData = getWorkflowStaticData('global');\nconst newRSSIds = items.map(item => item.json[\"isoDate\"]);\nconst oldRSSIds = staticData.oldRSSIds; \n\nif (!oldRSSIds) {\n  staticData.oldRSSIds = newRSSIds;\n  return items;\n}\n\n\nconst actualNewRSSIds = newRSSIds.filter((id) => !oldRSSIds.includes(id));\nconst actualNewRSS = items.filter((data) => actualNewRSSIds.includes(data.json['isoDate']));\nstaticData.oldRSSIds = [...actualNewRSSIds, ...oldRSSIds];\n\nreturn actualNewRSS;\n"},"typeVersion":1},{"name":"Telegram_IT","type":"n8n-nodes-base.telegram","position":[1220,460],"parameters":{"text":"={{$json[\"title\"]}}\n{{$json[\"link\"]}}","chatId":"TelegramID","additionalFields":{}},"credentials":{"telegramApi":{"id":"2","name":"IT_RSS"}},"typeVersion":1},{"name":"Telegram_Security","type":"n8n-nodes-base.telegram","position":[1220,220],"parameters":{"text":"={{$json[\"title\"]}}\n{{$json[\"link\"]}}","chatId":"TelegramID","additionalFields":{}},"credentials":{"telegramApi":{"id":"4","name":"Security_RSS"}},"typeVersion":1},{"name":"RSS Source","type":"n8n-nodes-base.function","position":[-20,-20],"parameters":{"functionCode":"return [\n  {\n    json: {\n      url: 'https://feeds.feedburner.com/UnikosHardware',\n    }\n  },\n  {\n    json: {\n      url: 'http://www.ithome.com.tw/rss.php',\n    }\n  },\n  {\n    json: {\n      url: 'http://feeds.feedburner.com/playpc',\n    }\n  },\n  {\n    json: {\n      url: 'https://lab.ocf.tw/feed/',\n    }\n  },\n  {\n    json: {\n      url: 'https://techcommunity.microsoft.com/plugins/custom/microsoft/o365/custom-blog-rss?tid=3754543230341459569&board=microsoft_365blog',\n    }\n  }\n];"},"typeVersion":1},{"name":"Telegram_M365","type":"n8n-nodes-base.telegram","position":[1220,-40],"parameters":{"text":"={{$json[\"title\"]}}\n{{$json[\"link\"]}}","chatId":"TelegramID","additionalFields":{}},"credentials":{"telegramApi":{"id":"5","name":"M365_RSS"}},"typeVersion":1},{"name":"IF-2","type":"n8n-nodes-base.if","position":[880,240],"parameters":{"conditions":{"string":[{"value1":"={{$json[\"title\"]}}","value2":"資安|資訊安全|安全|外洩|監控|威脅|漏洞|封鎖|修補|攻擊|入侵|個資|隱私|私密|騙|社交工程|釣魚|駭|Security|security|Secure|secure","operation":"regex"}]},"combineOperation":"any"},"typeVersion":1},{"name":"IF-1","type":"n8n-nodes-base.if","position":[880,-20],"parameters":{"conditions":{"string":[{"value1":"={{$json[\"link\"]}}","value2":"techcommunity.microsoft.com","operation":"contains"}]}},"typeVersion":1},{"name":"Clear Function","type":"n8n-nodes-base.function","position":[-20,-180],"parameters":{"functionCode":"// Get the global workflow static data\nconst staticData = getWorkflowStaticData('global');\n// Update its data\nstaticData.oldRSSIds = new Date().getTime();\n// Delete data\ndelete staticData.oldRSSIds;\n\nreturn [\n  {\n    json: {}\n  }\n]"},"typeVersion":1}],"connections":{"Cron":{"main":[[{"node":"RSS Source","type":"main","index":0}]]},"IF-1":{"main":[[{"node":"Telegram_M365","type":"main","index":0}],[{"node":"IF-2","type":"main","index":0}]]},"IF-2":{"main":[[{"node":"Telegram_Security","type":"main","index":0}],[{"node":"Telegram_IT","type":"main","index":0}]]},"RSS Source":{"main":[[{"node":"SplitInBatches","type":"main","index":0}]]},"RSS Feed Read":{"main":[[{"node":"SplitInBatches","type":"main","index":0},{"node":"only get new RSS","type":"main","index":0}]]},"SplitInBatches":{"main":[[{"node":"RSS Feed Read","type":"main","index":0}]]},"only get new RSS":{"main":[[{"node":"IF-1","type":"main","index":0}]]}}}