The article describes that 'Yukimitsu, the former official of Shinano Province, left for the capital (Kyoto) at Tora no koku (from 3am to 5am), on a mission to convey the message of Zenjo Nii ke who requested that Rokujo no Miya and Reizei no Miya go to Kamakura as Kanto Shogun', which indicates that he was sent to the imperial court as an envoy of Masako and negotiated with them.
この中で「寅の刻、信濃の前司行光上洛す。これ六條宮・冷泉宮両所の間、関東将軍として下向せしめ御うべきの由、禅定二位家申せしめ給うの使節なり。」とあり、政子の使者として朝廷に赴き、その交渉を行っていることである。