Transaction not yet indexed

421NDVhY2dFnEkPSMWCkhTopktNvyS5Y7LE6CL8c5i6HhpJ6sY1KA2Jfq93AGiyfLFWitxrGXUo6frjY3KCGiap4

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