Transaction not yet indexed

666UsQLbe74hqD4JAgWY1xhUAHyeC7qVMJagB3pGP1Vt9FnFpRFZmukwRTgcTTJ3bLh6TVUoeRihGDCvq8mB4sH6

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