My Instagram Account Was Deactivated

Few days ago I have noticed that I couldn't log in on Instagram.

I don't have a clue why that happened. (I only used my photos, I do not post any suspocious content... )

I opened a ticket and soon I recieved an email.

In the email it says basically following:

Before they can provide me with any help they need to make sure that I am the real owner of that account. In order to do that I should send them a photo with a code. The photography must fullfill following reqiurements:
- it must be the code above, hand-written on a clean sheet of paper, and it must be followed by your full name and username.
- has to be there to see your hand holding a piece of paper and even your entire face.
- Photo must be reasonably light and not too small, dark or out of focus.
- it must be attached to your reply as a JPEG file.

Here is the screenshot of the email addres I get the message from

The whole photo requirements sounds bit dodgy to me.

I mean, do you know if this is the proper way Instagram does the check of their user?

Is it safe for me to follow the instructions and reply to that addres above?

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EDIT

I went to instagram help center. If you get into a section where it says: "I think my Insagram account has been hacked", here are the instructions - I have added link and screenshot:

https://help.instagram.com/374546259294234?helpref=faq_content

So it seems like a legit way how to restore the account...