Transaction not yet indexed

MkzRFB4p4KEe29YmvDvVZ5AAg6aCMzySTPQqq43ot6JrycfPiHgm8LgiAinBfdQMK9ftvK4bGQeCaJKGP7rw9ai

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