Task: Tiny tiny Rss (aka tt-rss) Feed to Mastodon

n8n workflow:
{"id":"2","name":"post to mattermost v2","nodes":[{"name":"RSS Feed Read","type":"n8n-nodes-base.rssFeedRead","position":[580,150],"parameters":{"url":"{HERE YOUR TINY TINY RSS PUBLIC FEED}"},"typeVersion":1},{"name":"HTTP Request","type":"n8n-nodes-base.httpRequest","position":[1170,90],"parameters":{"url":"=https://{HERE YOUR MASTONDON INSTANCE URL}/api/v1/statuses?access_token={HERE YOUR MASTODON ACCESS TOKEN}","options":{},"requestMethod":"POST","queryParametersUi":{"parameter":[{"name":"status","value":"={{$node[\"RSS Feed Read\"].json[\"title\"]}} \n{{$node[\"RSS Feed Read\"].json[\"link\"]}}"}]}},"typeVersion":1},{"name":"Cron","type":"n8n-nodes-base.cron","position":[400,150],"parameters":{"triggerTimes":{"item":[{"mode":"everyX","unit":"minutes","value":10}]}},"typeVersion":1},{"name":"Function","type":"n8n-nodes-base.function","position":[790,150],"parameters":{"functionCode":"// Get the global workflow static data\nconst staticData = getWorkflowStaticData('global');\n\n// Access its data\nconst lastRssId = staticData.lastRssId\n\nlet list = []\n\n\nfor (const item of $items(\"RSS Feed Read\")){\n  let currentId = item.json[\"id\"].split('/').pop()\n  if(currentId == lastRssId) break;\n  list.push({'json': {\n    'id': currentId,\n    'lastId': lastRssId,\n    'title': item.json[\"title\"],\n    'url': item.json[\"link\"]\n  }})\n}\n\n\n// Get the last ID from Rss Feed\nlet currentRssId = $item(0).$node[\"RSS Feed Read\"].json[\"id\"].split('/').pop()\n\n// TODO: make a loop to get all the items beyond the last saved id\nif(!lastRssId || currentRssId != lastRssId)\n{  \n  // Update its data\n  staticData.lastRssId = currentRssId;\n  \n}\nelse { list = [{'json':{'id': 'NaN', 'lastId': staticData.lastRssId }}] }\nreturn list;\n\n"},"typeVersion":1},{"name":"IF","type":"n8n-nodes-base.if","position":[960,150],"parameters":{"conditions":{"string":[{"value1":"={{$node[\"Function\"].json[\"id\"]}}","value2":"NaN","operation":"notEqual"}],"boolean":[]}},"typeVersion":1},{"name":"NoOp","type":"n8n-nodes-base.noOp","position":[1180,280],"parameters":{},"typeVersion":1}],"active":true,"settings":{},"connections":{"IF":{"main":[[{"node":"HTTP Request","type":"main","index":0}],[{"node":"NoOp","type":"main","index":0}]]},"Cron":{"main":[[{"node":"RSS Feed Read","type":"main","index":0}]]},"Function":{"main":[[{"node":"IF","type":"main","index":0}]]},"RSS Feed Read":{"main":[[{"node":"Function","type":"main","index":0}]]}}}