Transaction not yet indexed

668D3mVCe7nzPiCavQh3a9cryjbd4vXxHu179F6pd2ZqUd8N4szvQpQJMZU3V5eWZj2k52j5g1EHWs5SjTCCMW1

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