Transaction not yet indexed

Mtk64YhXCjshhjxgWwMmzNnK7v9C7uCsQUZAPvFuywz7ZPE1QMLfCFYAekVjfs4YbJFZFpyqyVsSGE6vMGbMSVB

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