Transaction not yet indexed

521EcT3eQLAAN72XDUhA76Ype7e3Bbaj7kRZCvnB4okjuWRqsbtgpkRsDogqcdbqi1QGD7Stner6WDCSSgEs4zzT

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