Transaction not yet indexed

DdE99Ltf6gpKvd9uRr9AFp8kPRvaNah5bK6yDg6x6EKxBqttWK2Qv9NQLdFKqL4SQRBMAH9x99y3CRESXmgTr5x

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