Transaction not yet indexed

668bDL1AzRSccugDxrDRERyho17bWtx65ofjsFS4HWWy6XkXjsfHLoJjuq4R5MkpRnnMXToxREijRjUeQVHNr9Bm

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