Transaction not yet indexed

263QLAx6hMJXteZ1QJSrcJHFS36KfLFUymsWiwbb1Fa4j3xkaW7HyxKCUtaqD1KMnqtnhwPKHnbPDxARCRiXsuT8

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