key=BTC/USD
     value_key=tierBased, value_value=1
     value_key=percentage, value_value=1
     value_key=maker, value_value=0.001
     value_key=taker, value_value=0.002
     value_key=tiers, value_value=Array
          value2_key=taker, value2_value=Array
               value3_key=0, value3_value=Array
                    value4_key=0, value4_value=0
                    value4_key=1, value4_value=0.002
               value3_key=1, value3_value=Array
                    value4_key=0, value4_value=500000
                    value4_key=1, value4_value=0.002
               value3_key=2, value3_value=Array
                    value4_key=0, value4_value=1000000
                    value4_key=1, value4_value=0.002
               value3_key=3, value3_value=Array
                    value4_key=0, value4_value=2500000
                    value4_key=1, value4_value=0.002
               value3_key=4, value3_value=Array
                    value4_key=0, value4_value=5000000
                    value4_key=1, value4_value=0.002
               value3_key=5, value3_value=Array
                    value4_key=0, value4_value=7500000
                    value4_key=1, value4_value=0.002
               value3_key=6, value3_value=Array
                    value4_key=0, value4_value=10000000
                    value4_key=1, value4_value=0.0018
               value3_key=7, value3_value=Array
                    value4_key=0, value4_value=15000000
                    value4_key=1, value4_value=0.0016
               value3_key=8, value3_value=Array
                    value4_key=0, value4_value=20000000
                    value4_key=1, value4_value=0.0014
               value3_key=9, value3_value=Array
                    value4_key=0, value4_value=25000000
                    value4_key=1, value4_value=0.0012
               value3_key=10, value3_value=Array
                    value4_key=0, value4_value=30000000
                    value4_key=1, value4_value=0.001
          value2_key=maker, value2_value=Array
               value3_key=0, value3_value=Array
                    value4_key=0, value4_value=0
                    value4_key=1, value4_value=0.001
               value3_key=1, value3_value=Array
                    value4_key=0, value4_value=500000
                    value4_key=1, value4_value=0.0008
               value3_key=2, value3_value=Array
                    value4_key=0, value4_value=1000000
                    value4_key=1, value4_value=0.0006
               value3_key=3, value3_value=Array
                    value4_key=0, value4_value=2500000
                    value4_key=1, value4_value=0.0004
               value3_key=4, value3_value=Array
                    value4_key=0, value4_value=5000000
                    value4_key=1, value4_value=0.0002
               value3_key=5, value3_value=Array
                    value4_key=0, value4_value=7500000
                    value4_key=1, value4_value=0
               value3_key=6, value3_value=Array
                    value4_key=0, value4_value=10000000
                    value4_key=1, value4_value=0
               value3_key=7, value3_value=Array
                    value4_key=0, value4_value=15000000
                    value4_key=1, value4_value=0
               value3_key=8, value3_value=Array
                    value4_key=0, value4_value=20000000
                    value4_key=1, value4_value=0
               value3_key=9, value3_value=Array
                    value4_key=0, value4_value=25000000
                    value4_key=1, value4_value=0
               value3_key=10, value3_value=Array
                    value4_key=0, value4_value=30000000
                    value4_key=1, value4_value=0
     value_key=precision, value_value=Array
          value2_key=price, value2_value=5
          value2_key=amount, value2_value=5
     value_key=limits, value_value=Array
          value2_key=amount, value2_value=Array
               value3_key=min, value3_value=0.002
               value3_key=max, value3_value=2000
          value2_key=price, value2_value=Array
               value3_key=min, value3_value=1.0E-5
               value3_key=max, value3_value=100000
          value2_key=cost, value2_value=Array
               value3_key=min, value3_value=
               value3_key=max, value3_value=
     value_key=id, value_value=BTCUSD
     value_key=symbol, value_value=BTC/USD
     value_key=base, value_value=BTC
     value_key=quote, value_value=USD
     value_key=baseId, value_value=BTC
     value_key=quoteId, value_value=USD
     value_key=info, value_value=Array
          value2_key=pair, value2_value=btcusd
          value2_key=price_precision, value2_value=5
          value2_key=initial_margin, value2_value=30.0
          value2_key=minimum_margin, value2_value=15.0
          value2_key=maximum_order_size, value2_value=2000.0
          value2_key=minimum_order_size, value2_value=0.002
          value2_key=expiration, value2_value=NA
          value2_key=margin, value2_value=1