Task: Create a collection and create, update, and get a bookmark in Raindrop

n8n workflow JSON:
{"nodes":[{"name":"Raindrop","type":"n8n-nodes-base.raindrop","position":[470,320],"parameters":{"title":"n8n-docs","operation":"create","additionalFields":{}},"credentials":{"raindropOAuth2Api":"Raindrop OAuth Credentials"},"typeVersion":1},{"name":"Raindrop1","type":"n8n-nodes-base.raindrop","position":[670,320],"parameters":{"link":"https://docs.n8n.io","resource":"bookmark","operation":"create","collectionId":"={{$json[\"_id\"]}}","additionalFields":{"title":"Documentation"}},"credentials":{"raindropOAuth2Api":"Raindrop OAuth Credentials"},"typeVersion":1},{"name":"Raindrop2","type":"n8n-nodes-base.raindrop","position":[870,320],"parameters":{"resource":"bookmark","operation":"update","bookmarkId":"={{$json[\"_id\"]}}","updateFields":{"title":"n8n Documentation"}},"credentials":{"raindropOAuth2Api":"Raindrop OAuth Credentials"},"typeVersion":1},{"name":"Raindrop3","type":"n8n-nodes-base.raindrop","position":[1070,320],"parameters":{"resource":"bookmark","bookmarkId":"={{$json[\"_id\"]}}"},"credentials":{"raindropOAuth2Api":"Raindrop OAuth Credentials"},"typeVersion":1}],"connections":{"Raindrop":{"main":[[{"node":"Raindrop1","type":"main","index":0}]]},"Raindrop1":{"main":[[{"node":"Raindrop2","type":"main","index":0}]]},"Raindrop2":{"main":[[{"node":"Raindrop3","type":"main","index":0}]]}}}