Transaction not yet indexed

NPpEhf2LuNrhTfieuXKpfQiN1dE3FV5zKCdYG8Ex9S4zPzM7L6mubMvN5bL3dpKjM52U3SyqbVdkxxAMxurbz71

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