Transaction not yet indexed

MUM9bawfeygVeZTWB2pTm49uGcdfqwTJAPavE5BxFb6eiR4zath9KXD4e4f3URXMTpEeaDA342z22ZjFpKKsfD1

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