Transaction not yet indexed

MdSSHSaRTvuHVRUDdRXUnFT66r1v9WSU6YD8jS95KA5ANgTrF7rwe9Ciyrxk3mSLcBVYfkAsVMCbLfxX9FSC6rz

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