Transaction not yet indexed

DD9i2NmBWE5Us7ap9amqCRvfXxTwknk2Ta29PJ9639rjEVC5HSqiC8YkZdZYP1M6mLwPxoFKq3sZ2JeKALSKs7Y

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