Transaction not yet indexed

ffDn1836JaKscB8YtLZJSugcMEFPggaEvgJetAdzTYED6GKV2Tf7Wf5Zyt1iXqFx52jxFHA6Ukt1MLaV4S4eaXz

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