Transaction not yet indexed

YKBUmpru2morw8uESbJxzPMic2WWLDZ2SLYxKrU6MVQuqhd5Vi2FdeRDtpNqLka6PkxdBqLPz9wjDb54EDsupT6

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