def METHOD_NAME(n_data):
    n_ninode_1 = NifFormat.NiNode()
    n_ninode_2 = NifFormat.NiNode()
    n_data.roots = [n_ninode_1]
    with ref(n_ninode_1) as n_ninode:
        n_ninode.name = b'Scene Root'
        n_ninode.num_children = 1
        n_ninode.children.update_size()
        n_ninode.children[0] = n_ninode_2
    with ref(n_ninode_2) as n_ninode:
        n_ninode.name = b'NifObject'
        n_ninode.flags = 14
        with ref(n_ninode.translation) as n_vector3:
            n_vector3.x = 20
            n_vector3.y = 20
            n_vector3.z = 20
        with ref(n_ninode.rotation) as n_matrix33:
            n_matrix33.m_11 = -1.43774e-14
            n_matrix33.m_21 = -0.866025
            n_matrix33.m_31 = 0.5
            n_matrix33.m_12 = 0.5
            n_matrix33.m_22 = 0.433013
            n_matrix33.m_32 = 0.75
            n_matrix33.m_13 = -0.866025
            n_matrix33.m_23 = 0.25
            n_matrix33.m_33 = 0.433013
            assert(n_matrix33.is_rotation()) # make sure in case we change values:
        n_ninode.scale = 0.75
    return n_data