Transaction not yet indexed

21MpqRbjR5xeXQuHW5uuPDTXCnzFLFoLS6eHnd5FrG1UUGHcd6xFdinFDA7TEXN2fXERcMdBhPeVwTgCxYRyqeM7

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