Transaction not yet indexed

4E6ErtCo8uFudKur8cY2zwzLbitQqnAgCadc5R48dXN8o7RC7DqNdEjSvFZxBdnCroBSmS3eMj8MvptdKpS2KgQU

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