Transaction not yet indexed

642Uk3S9SEJMpXqp4UTZf8gTQ39tTAN95eo2MSgRpYM83x55QGGZXt7TfGxRdwcTY78DxthUBNjSqdfQ1JJkPRH2

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