Transaction not yet indexed

PLn9QWACsZmnFTQyrvPH56TcAgHhWebUDrqjsRJpkj6Zrba3x4fonRxi8mjRcfHZYa5FG6PePBKqf3TMsXX56CT

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