code: async function() {
      const oThis = this
      ;
  
      await new openSTStorage.TokenBalanceModel({
        ddb_service: ddbServiceObj,
        auto_scaling: autoScalingServiceObj,
        erc20_contract_address: oThis.erc20
      }).allocate();
    }
docs: Allocate shard to branded token
  
  @return {promise<object>} -
  @private