Transaction not yet indexed

NFb9cgPMpNXbRoTjhJoXaZBg3KL5k1GqS5PsGdfRYoiAQUPkp4AkTfB184RMaJbvw8j418fWGVerNt3gpnT2F53

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