Transaction not yet indexed

MUMxkC5QLkf8yboCLd52xuSpXQujoP11Yy2ecA6MhEHC7T5DdMbSV49jvLQX9x8W8NutESY7MSfQCGUZyE2kVhU

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