Task: Create a post with comments in Reddit automatically

n8n workflow JSON:
{"nodes":[{"name":"On clicking 'execute'","type":"n8n-nodes-base.manualTrigger","position":[270,340],"parameters":{},"typeVersion":1},{"name":"Reddit","type":"n8n-nodes-base.reddit","position":[470,340],"parameters":{"text":"This post was created using the Reddit node in n8n","title":"Created from n8n","subreddit":"n8n"},"credentials":{"redditOAuth2Api":"Reddit OAuth Credentials"},"typeVersion":1},{"name":"Reddit1","type":"n8n-nodes-base.reddit","position":[670,340],"parameters":{"postId":"={{$json[\"id\"]}}","operation":"get","subreddit":"={{$node[\"Reddit\"].parameter[\"subreddit\"]}}"},"credentials":{"redditOAuth2Api":"Reddit OAuth Credentials"},"typeVersion":1},{"name":"Reddit2","type":"n8n-nodes-base.reddit","position":[870,340],"parameters":{"postId":"={{$json[\"id\"]}}","resource":"postComment","commentText":"This comment was added from n8n!"},"credentials":{"redditOAuth2Api":"Reddit OAuth Credentials"},"typeVersion":1}],"connections":{"Reddit":{"main":[[{"node":"Reddit1","type":"main","index":0}]]},"Reddit1":{"main":[[{"node":"Reddit2","type":"main","index":0}]]},"On clicking 'execute'":{"main":[[{"node":"Reddit","type":"main","index":0}]]}}}