Transaction not yet indexed

MMM6gBJTEH3dPbrDzZ6WidPTDiLTC5xC4mMN6JfmJAdwRuzay7bq9CoLX9rofWxTNm9X81ERpMxW8e2MVCXs7ML

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