Transaction not yet indexed

21SLG68nDmQScNsa6PRwFuFnKHQt8T6uW5fKZicq3CwcUbem5xGZFqt3XhS2gVcQvxBywPZFheAwi4dDTQzAMA45

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