How to add realio network to MetaMask?

Can you please explain the steps involved in adding the Realio Network to MetaMask? I'm interested in using this blockchain network but I'm unsure of the process. Could you provide a step-by-step guide on how to accomplish this task, including any necessary settings or configurations that need to be made? Additionally, are there any specific requirements or precautions I should be aware of before proceeding? I would greatly appreciate your assistance in making this process as seamless as possible.