Transaction not yet indexed

MmmygQfFwA5V45gUeJU6ajK21pjXaq7g6zYV7rVksYmKzgpTN7pAqtNSmu1umuE7TvPsFbK4C16rx45n23sSkc8

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