Transaction not yet indexed

mkd6459ZYo3ww1W6M9SVSpGP3P74wqEKJM8P5CLi7LJDaCmJDRmPw5wgB8gJsKE6rBpZnSPiM7AtPYk4nFMykZv

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