Associations

				
					{
    id = 50,
    version = 1,
    association_groups_count = 2
    association_groups = {
        {group_id = 1, group_nodes = [1, 2, 3], group_nodes_max_count = 3},
        {group_id = 2, group_nodes = [1, 5, 6], group_nodes_max_count = 4},
        ...
    }
}