Transaction not yet indexed

v78MPk5RY5Vi5cuFsacdrHwj6iJH6aXaZtZ7r6uwcoTU6pEeHGQgCHGG5eWwPhZ7eEdWJdtbybiPhxsrx1kfV21

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