Who was Nanasaheb Dengle and what was his connection to the plank Sai Baba slept on?

Nanasaheb Dengle was a devotee of Maharaj who lived in Jali-Nimgaon. His faith grew strong after Maharaj blessed him and he had a son after being childless for a long time. According to chapter 0, Nanasaheb noticed the dilapidated condition of the Masjid where Maharaj sat and slept. Concerned that Maharaj was sleeping on the bare ground amidst dust and falling mud, he brought a thick wooden plank for him to sleep on. Maharaj then used this plank in his own unique way, hanging it from the rafters to sleep on, creating a famous spectacle.