Transaction not yet indexed

MQLC6LDTsMZeHAtKPkSecLDX8UMR4BA1kHB86vqXibXFTNTdGjLFjtmEUbdHRf6i4718uXQ45eiDmABDBK7iExx

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