Transaction not yet indexed

MbMBm4CSqxNtXdj5D2dJ1QB5FvXDYq8fi1vP7n1CrD7ppbea3C91KQPnER6zAvDRfta5ZuexVW7ap9NmftzxCqE

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