Transaction not yet indexed

YYk9DUtTdKfERFaMALgg4RYyEDuDF5JRh8Y4o66W2v866mqg3hL8W6qYcTrBpH45Pq1PyiyN5kHh2cDQdctRahC

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