Transaction not yet indexed

668NrcZsjTL29YB7ZNfxbEcNGXnbRmYiX42pSWuaSVrnKSCoFkKqa7R617YbMBp1bBL3bmLM4iNGzaVq8vZSf7qE

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