Transaction not yet indexed

388FjkUmjPMbqyhjk4MvkHx9HeVbz3ZZZRpj4wt6wMAPy38CY2atMPM5bCmaUF3UkiJZ2JN7DeUU3QT7mxKYARBL

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