Transaction not yet indexed

Tx15mEksLRfCLYHMzZc1zoiUN17WShdSbKPKYtSGcwYLof3n3hB9oh3MnujtnGoqD9Fqpr8y6MHbNtsRB7odkvs

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