Transaction not yet indexed

1z53mGaXMistnf6oAGH1wbPdrkYb6qqkcio5fWb2MhKocc6ojXQs1KPaQLu3PSDWPRgqE7BCZo2UDkCMnzwWP1c

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