Transaction not yet indexed

MdNbM9p3fxRQHypCGAqLACVFoLtpX3ZnBPM8UQzjPbPR4XuFNXUFdRV5v1bP4GAnwenY3HrPqZ9BJz1AFUqQXng

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