REST API not parsing

Hi,
I have a number of REST queries that are working successfully, this one doesn’t and I can’t work out why!

This is what is in my configuration.yaml

 - platform: rest
   resource: http://192.168.1.165/solar_api/v1/GetMeterRealtimeData.cgi?Scope=System
   name: "Grid Voltage"
   value_template:  '{{ (value_json.Body.Data.0.Voltage_AC_Phase_1)|round(3) }}'
   unit_of_measurement: V

I’ve confirmed that entries are available at http://192.168.1.165/solar_api/v1/GetMeterRealtimeData.cgi?Scope=System

{
   "Body" : {
      "Data" : {
         "0" : {
            "Current_AC_Phase_1" : 2.7480000000000002,
            "Current_AC_Sum" : 2.7480000000000002,
            "Details" : {
               "Manufacturer" : "Fronius",
               "Model" : "Smart Meter 63A-1",
               "Serial" : "19070160"
            },
            "Enable" : 1,
            "EnergyReactive_VArAC_Phase_1_Consumed" : 610,
            "EnergyReactive_VArAC_Phase_1_Produced" : 4197690,
            "EnergyReactive_VArAC_Sum_Consumed" : 610,
            "EnergyReactive_VArAC_Sum_Produced" : 4197690,
            "EnergyReal_WAC_Minus_Absolute" : 495136,
            "EnergyReal_WAC_Phase_1_Consumed" : 626431,
            "EnergyReal_WAC_Phase_1_Produced" : 495136,
            "EnergyReal_WAC_Plus_Absolute" : 626431,
            "EnergyReal_WAC_Sum_Consumed" : 626431,
            "EnergyReal_WAC_Sum_Produced" : 495136,
            "Frequency_Phase_Average" : 50,
            "Meter_Location_Current" : 0,
            "PowerApparent_S_Phase_1" : 650.45000000000005,
            "PowerApparent_S_Sum" : 650.45000000000005,
            "PowerFactor_Phase_1" : 0.42999999999999999,
            "PowerFactor_Sum" : 0.42999999999999999,
            "PowerReactive_Q_Phase_1" : -470.86000000000001,
            "PowerReactive_Q_Sum" : -470.86000000000001,
            "PowerReal_P_Phase_1" : 282.79000000000002,
            "PowerReal_P_Sum" : 282.79000000000002,
            "TimeStamp" : 1565771004,
            "Visible" : 1,
            "Voltage_AC_Phase_1" : 236.69999999999999
         }
      }
   },
   "Head" : {
      "RequestArguments" : {
         "DeviceClass" : "Meter",
         "Scope" : "System"
      },
      "Status" : {
         "Code" : 0,
         "Reason" : "",
         "UserMessage" : ""
      },
      "Timestamp" : "2019-08-14T17:53:25+09:30"
   }
}

You can play with templates in Dev Tools/Templates.

{% set value_json = { <your json data> } %}
{{ value_json.Body.Data['0'].Voltage_AC_Phase_1 }}

Thank you!!
the template should have been:-

value_template: ‘{{ (value_json.Body.Data[“0”].Voltage_AC_Phase_1)|round(3) }}’