Transaction not yet indexed

5k56EzpjLxPaGD2d936k3UhismD6poYYt3N9rN2F83qW6ffcfBn8mD7f5qCFR6Exqbe96PfNBYvtLDZ2AD7FqoE6

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