Transaction not yet indexed

MM2ygiHMzKJzj7tWsVi26tNC4vLC97Ad3dQunNQi7JTLB3ah8mt1ohYcVKD6W1H2FrPkVhhoUPifmiC2pPvkmuE

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