Transaction not yet indexed

MkZ9vTCBLg4UfakgeP9QSiXoARNSKdVLAHzi3y6P12mgwCjYhAqbtDSNXRfz4ke2GkY1YCZ1GQaYzk6W8hXoazd

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