Transaction not yet indexed

21SfnUiVzRDHk286qmSooWpGSWasp5JtxCqp7LtBezj9SDn3Z7r9kboM6cUoFuYHa28PReCEN6xtzkA3Uhq15qKU

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