YOU SAID:

I understand you don't reply to DMs. It's okay if you don't reply.

INTO JAPANESE

DMには返信しないのは承知しております。返信しなくても大丈夫です。

BACK INTO ENGLISH

I understand that I do not reply to DMs. It's okay if you don't reply.

INTO JAPANESE

DMには返信しないことを了承しました。返信しなくても大丈夫です。

BACK INTO ENGLISH

I agree not to reply to DMs. It's okay if you don't reply.

INTO JAPANESE

DMには返信しないことに同意します。返信しなくても大丈夫です。

BACK INTO ENGLISH

I agree not to reply to DMs. It's okay if you don't reply.