Transaction not yet indexed

668uFfTp2wbcQZ5brVcnV7gQLFeSbgNpC5b7ox4y98eRbmfynFyzNkF2LjiALGxADkepWdGYyvH33MKebcT5nsjs

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