Transaction not yet indexed

668rf7NhfKRBnSuGFYdF6DuDkEQM2TjCjXW5SJcxE6PSQybP7yJs6izTJrtmR2gog9mabSyCbQRBvBv9usqDSKnZ

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