Transaction not yet indexed

668WcrNHca8DtSXmg8rXhDf1TRb9c7BDfp4CZ8bGnVqHKDoH69qXJpM66YR5e2QEnDRNiU2jTqEPwkhPdoVX5cMJ

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