The phrase "humbly requesting you" is correct and usable in written English. It is a polite phrase that is used when someone wants to ask a favor or request something from someone else. For example, "I am humbly requesting you to consider my application for the job.".
I am humbly requesting you, do not meet them or your faith would suffer from an incurable cancer... Leave this place with the promise that not only will you sever all ties with the 'qadianis,' but also with anyone who sympathizes with them".
Respected comrades, I humbly request that you now grant me permission to play our ace".
"I humbly request to you all kindly do justice for Anuj and kindly make sure that students who come here for their studies, they have their own studies and go back to their own countries.
Many of the adults echo this passive attitude of sending messages of gratitude and humbly requesting what's next in their efforts to end poverty and educate their children.
So I humbly request all of you members of the media from the most powerful columnists to the tiniest bloggers to be careful about what you put out into the cloud.
"Today I give you my head and instead humbly request your assistance".
If you understand what I am saying then I humbly request your response.
Thanks to Ludwig my first paper got accepted! The editor wrote me that my manuscript was well-written
Listya Utami K.
PhD Student in Biology, Bandung Institute of Technology, Indonesia