Transaction not yet indexed

668EEmcYQjpR9wcg9P56eJU3jibX5taLkfJjiaJs3WwBGKLx7iTpsbBgKtLuWrkJbbfqWwEDXPLb6q3UUuS38Mkd

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