Transaction not yet indexed

WK6ApnXczHpDr5QoTfPYng5RRi9JsQqenxWmQdKQVtSRtdzsPJqUUSWqJGNue6JgVLR8jdfHcH3ojHRjYEiiQE4

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