Transaction not yet indexed

668ZKhy4kzDhdL4kSK5X2dAzf6WKMNjpjTwDWFDgYkEEf5eJt7eKf5NHZuU6DKAv2hmDAC3rKgE7EefWrU6Bq7tY

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