here is the equivalent op_return one liner
bitcoin-cli getrawtransaction 6ae4de7542bebb0884b08db8265d7567b27673034da179980c632b8d592ffe9b true \
| jq -r '.vout[] | select(.scriptPubKey.type=="nulldata") | .scriptPubKey.asm' \
| sed 's/^OP_RETURN //' \
| xxd -r -p
I don't think its much different.