Transaction not yet indexed

1ExVc2cVvTaBqZ6hPPW3a53cqEvSP9NHTGsvZTaVoAXuMfbVjR6pJaStLyPs3ZyueoPFyGYiLKxbdW1ZbSV4Vfe

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