Transaction not yet indexed

PLkA4GFeCa7grpQ6f4gUSyDA9oSEoSsrHV8Fo9ADKMcuWSZbe1YudAvRKajSN5J5RB7jtSaDofXzhcDEV7gudrA

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