Transaction not yet indexed

1aMmZJgBFgDZLfjfqNeS6mYL4GFuFfd9HoUC3WraAFqdf3TSH7no1bZymVwKfunCzfkuzKUPjRLqt5gcTyRPjhb

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