Transaction not yet indexed

668AVJw9BxnwbWnoqei6EdZch9Ra4KVdUBQJiWDkcDcaMpfFu4CrJdVK1jx2sgG7y56TwRaRUqKSqf23XDi53RGF

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