Transaction not yet indexed

MdY3cpSPwn72sHFHa371GaRvk9dKpSjsRpxRAizzYVWBgVvYeRrPySkhRFsBYD4gZXFgeRcRz94ai1pp4KgwFb2

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