Transaction not yet indexed

mpTYmZYo5fukwXiKZUJaJ9GqH145B6uRF18vpoaeCUGnZcrVH1cQFCQrtEPHxvDdbUgp8Cw8Hp8a6YQRYMTPoKt

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