Transaction not yet indexed

MNKB4PpkFfN39NyuYUrEBT7SW9GZUs3FdiRwGZVVVhdUkU6aLKA8sbTsEarVG9RSTCQy6s8Qnw37c6vnUtsufUm

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