Chunks Not Loading Properly

Hello, I play on a Minecraft Realm with my friends on the Bedrock version of Minecraft. Lately whenever I have tried to log in to the realm, the game takes significantly longer to load it in than normal. When the realm finally does load in, only around 30 chunks are accessible and trying to head in any direction results in hitting unloaded chunks. Also, any attempt to place blocks just results in those blocks not being there upon a subsequent login. I thought this may have been just a connection issue on my end, but three of my friends who all live in different cities have tried logging in and the same thing occurs for them. Any help on this would be appreciated.