Transaction not yet indexed

ddAtYUEHxCXFrmy2Am3SmjZRiTd1B2JMaWwQnuxSPGCDdfbfyLQqMw51btubTmcbu7zUmg8KUEr8koSyV5TXcFc

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