Transaction not yet indexed

MM6zBt87XaM6jZ3Pq3jzpj6AvG7xwFsfFUjzPEN7ogrQSpZJBmKt4bBKdCm97k4sLdwGpRbW52EXKQvAg8nkWpg

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