Transaction not yet indexed

Xff6bCMzECZED8TeXy2fB3wEQQ4CYAjUz872drF6tMQdQRY34N9cM1TKJpuSiFz3DoQEHtrwwXj6KmucAQST2Pf

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