Transaction not yet indexed

MNgmc6BAdWtcAGfVGmwVUsWpBcUmvouvN7Xr7LbBxe7TfS6iAzuEh1xoeNE9rcQ2F29ih63EKyLgrbyq8zc4zNy

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