Transaction not yet indexed

642SiWh6vsJ5dJM3AD4nEB68rFqX9h3HX3ivaYJFdPDHvy1cq2TsQk8brMSF9mswSC8s2MDd3V3yMdpKrL1ozvM2

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