Transaction not yet indexed

Qdd55hHQc2MCUDt5aRd3xYsK4dgCTpf9a3CMAti1txHToEAub1ZBLaXMz8koMJSbcPi9WfrwyqgXgRcZZ5L2GPQ

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