Task: Send Github stars to Raindrop

n8n workflow JSON:
{"id":6,"name":"Github Stars to Raindrop","nodes":[{"name":"On clicking 'execute'","type":"n8n-nodes-base.manualTrigger","position":[-690,30],"parameters":{},"typeVersion":1},{"name":"NoOp","type":"n8n-nodes-base.noOp","position":[150,170],"parameters":{},"typeVersion":1},{"name":"GitHub Events","type":"n8n-nodes-base.httpRequest","position":[-350,90],"parameters":{"url":"=https://api.github.com/users/{{$json[\"user\"]}}/events","options":{"splitIntoItems":true},"authentication":"basicAuth","queryParametersUi":{"parameter":[]},"headerParametersUi":{"parameter":[{"name":"user-agent","value":"n8n"}]}},"credentials":{"httpBasicAuth":"Github Basic Auth"},"typeVersion":1},{"name":"Parse JSON","type":"n8n-nodes-base.set","position":[-180,90],"parameters":{"values":{"string":[{"name":"id","value":"={{$json[\"id\"]}}"},{"name":"type","value":"={{$json[\"type\"]}}"},{"name":"action","value":"={{$json[\"payload\"][\"action\"]}}"},{"name":"url","value":"={{$json[\"repo\"][\"url\"]}}"}]},"options":{"dotNotation":true},"keepOnlySet":true},"typeVersion":1},{"name":"If Stared","type":"n8n-nodes-base.if","position":[-20,90],"parameters":{"conditions":{"string":[{"value1":"={{$json[\"type\"]}}","value2":"WatchEvent"},{"value1":"={{$json[\"action\"]}}","value2":"started"}]}},"typeVersion":1},{"name":"Filter new items","type":"n8n-nodes-base.function","position":[150,20],"parameters":{"functionCode":"const staticData = getWorkflowStaticData('global');\nconst newIds = items.map(item => item.json[\"id\"]);\nconst oldIds = staticData.oldIds; \n\nif (!oldIds) {\n  staticData.oldIds = newIds;\n  return items;\n}\n\n\nconst actualNewIds = newIds.filter((id) => !oldIds.includes(id));\nconst actualNew = items.filter((data) => actualNewIds.includes(data.json['id']));\nstaticData.oldIds = [...actualNewIds, ...oldIds];\n\nreturn actualNew;\n"},"typeVersion":1},{"name":"GitHub item data","type":"n8n-nodes-base.httpRequest","position":[320,20],"parameters":{"url":"={{$json[\"url\"]}}","options":{},"authentication":"basicAuth","headerParametersUi":{"parameter":[{"name":"user-agent","value":"n8n"}]}},"credentials":{"httpBasicAuth":"Github Basic Auth"},"typeVersion":1},{"name":"Raindrop Bookmark","type":"n8n-nodes-base.raindrop","position":[490,20],"parameters":{"link":"={{$json[\"html_url\"]}}","resource":"bookmark","operation":"create","collectionId":0,"additionalFields":{"tags":"github","title":"={{$json[\"full_name\"]}} | {{$json[\"description\"]}}"}},"credentials":{"raindropOAuth2Api":"Raindrop"},"typeVersion":1},{"name":"Set username","type":"n8n-nodes-base.set","position":[-520,90],"parameters":{"values":{"string":[{"name":"user","value":"CHANGE_ME"}]},"options":{}},"typeVersion":1},{"name":"Every 30 mins","type":"n8n-nodes-base.cron","position":[-690,180],"parameters":{"triggerTimes":{"item":[{"mode":"everyX","unit":"minutes","value":30}]}},"typeVersion":1}],"active":true,"settings":{},"connections":{"If Stared":{"main":[[{"node":"Filter new items","type":"main","index":0}],[{"node":"NoOp","type":"main","index":0}]]},"Parse JSON":{"main":[[{"node":"If Stared","type":"main","index":0}]]},"Set username":{"main":[[{"node":"GitHub Events","type":"main","index":0}]]},"Every 30 mins":{"main":[[{"node":"Set username","type":"main","index":0}]]},"GitHub Events":{"main":[[{"node":"Parse JSON","type":"main","index":0}]]},"Filter new items":{"main":[[{"node":"GitHub item data","type":"main","index":0}]]},"GitHub item data":{"main":[[{"node":"Raindrop Bookmark","type":"main","index":0}]]},"On clicking 'execute'":{"main":[[{"node":"Set username","type":"main","index":0}]]}}}