Transaction not yet indexed

mNb3DrqqH9YsPRNZF4GrdJgCLSXMdzdbAkKpNkvsW7WCgSY5v9uF1duSFT5aHsHv5QQPyq5twVnYmNBxUu59xES

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