Transaction not yet indexed

MESzUy6jybthJf9Ypgk1b18bGoLYRwcaUd7e88JRqpyZw3uyDYWpiBTXZ8eJq4nvR8XdTKNPfttBu3cwMAYFYDm

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