Transaction not yet indexed

UmN8TA1vkb5mnZtCoaPqBNQmxzzmDYoLfFmtvPsFRQL9M71KqqzUspYkZnHjR6MiWKoDRoU2YLW1aMUSmMg1FGt

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