Transaction not yet indexed

UdKnnxriqeD2BHjJ4B2uChvUn6y3WF3KooNxWqrmHYK4uMFheAZCqwxUXaXNgEq3sHLVsPd4dSyLcvoKVu9tmNZ

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