bayesline.api.CreateUserRole# model CreateUserRole# Request model for assigning a role to a user. Fields# Field Type Required Default assigned_by str Yes expires_at datetime | None No None role_type RoleType Yes user_id str Yes field assigned_by: str [Required]# field expires_at: datetime | None [Optional]# field role_type: RoleType [Required]# field user_id: str [Required]#