Transaction not yet indexed

pubMMmdTmZtvj5o9yJFfxMYsRifCnoAAKGJcuEzNRKtHgp7SyV3cTB3ZYYMBC5mR5jNvXAhNRerU6RVf9HRneZH

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