Transaction not yet indexed

NNu91gzEvzrs2ZTLMufTxNdxWtsGbdYTxeduGyWtmoMtdSK4vxpmLVV86sCWbVpMt7er5NeyrZgxnp5XRMVticY

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