Transaction not yet indexed

MdxG2vSdzBgyDK21dSDg3vBxPuxvXpUQLAnBA1vniuQobSCS6H2nzNmKn1ijHVFEQXavb6hjbi1ADzjCNZhRVqq

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