Transaction not yet indexed

ngUdJr2cSPx3eVtwqZVx3EtMu6QE2AKXcNBLn2BwBaa7HShmzPpBB8hxkqqxzxHsgFSQRyMybK8CBHKB8S5YuUh

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