Transaction not yet indexed

MEMPcCQAmGzHFU6WsGffPYSW4Fhb5KLmcstBdLyiSF6Ygp4wYggxdb1qeohvKLiXpF3jdYDX89uTgAzPamkoRcM

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