Transaction not yet indexed

AmuxHKRfbSweMz4W7CFeFnqYMKTCss9WQvx4wamLqMoSR7AvDPwwvYoLf2NGCvGK2mNpK2HKvGJeZArTDMSptih

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