Transaction not yet indexed

Ad8DdZ6my2vmWPyJwfs7ZRJC89do5rB149Rbr4e2ifRNkDfidfCwjsuHUM6ixYe46c7zUFEQKPUKM9nRv6md2Pf

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