Transaction not yet indexed

MpkkXFHzPw5XudbCS2sKZP7oHmT1UiWwfd4RP6mA9LPV64WpLRiEomdtQ9u5BczAXCzpbJVeUdgzLDmp3JXq5Bv

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