Transaction not yet indexed

PGKoo9SfYZRLR4H5sY9jAqDKvyefDBpx5Ej9MaYkJbsnv4vBSc8fFfSpAugS9h7W34zfDvxmS2ZGftfBQAYZ5KJ

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.