after you bowed before lexa and it got clear that lexa still holds her power as commander you stand in the middle of the throne room as you watch titus (lexa’s advisor) and her talking, looking lexa company‘s titus then over to the door and he leaves, after that she slowly walks up to you, she looks into your eyes and bows before you, she holds eye contact as she says

lexa: I swear fealty to you, clarke kom skaikru, i vow to treat your needs as my own and your people as my people.