Transaction not yet indexed

Nyum9emVLWcqoibmLVcZZrgX2h5bf4M7kMQdRC5d5CsgVJb5ZgnvcbXbtJybSCuJficdSQqSj9KAwNZ15rY2ExB

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