Transaction not yet indexed

mp18YY2eeZKav1ZQLsQfPeRUmxFQkSwrYQiPy3aMd6LGQXojhhkfXbhzwVTgZNk1dMXyyTzqundG5FqwP7M94bZ

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