Transaction not yet indexed

MBKReR1b5ULqDUk6kfUMBccHRJqrxpU2hHd5svUoApU58fhZPRb5iW5F6nfZ3ojtc8KqwLwmpxmoLnXXui2tZXT

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