Transaction not yet indexed

668HEMuyyVryvC6mNU4ZN1hYXCQVpbS7UMpuc3mXHDkQaJHehgCPpvYkWRAFEdmXLxKL8Ged1fXeW1QR39kSeLd2

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