Transaction not yet indexed

PLE21ma8mRYaY95pKedCyBJavZ9aRY5J686rQLCSHGbkKFvRT2S7SaMC6jGTkLYVp8BLKxBCbhPB91gxjNkzevT

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