Transaction not yet indexed

21SELFp7NtUNUFPp4GAKfbG5fGsPtmoDRQJRBEPWVhyfcn725kAq4TP1xCm8jd5BAzsqU5wnozeNkdSkhXMH9TYP

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