Transaction not yet indexed

PLgpFvrTBiYE6irahxSS8e3ev34X2secRR7boeJUCGAQdeaZi9YjRrZgk8eBJNi8UAo6aMJ4YYzzktHgv4ZdCF9

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