Transaction not yet indexed

MEMxk8DC8YUpKW7TDEJiSgiWb6fqhFq5CHGg7kB2sNg3AL5CTTvwmNZ6jpDL3vuTGf3vqLp6sVzEBpXLi3Tnmvs

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