get set point schedule

{
  "blocks": [
    {
      "startDatetime": "<string>",
      "endDatetime": "<string>",
      "targetTemp": 123,
      "targetCoolSetpoint": 123,
      "targetHeatSetpoint": 123,
      "targetMode": "OFF"
    }
  ],
  "startDatetime": "<string>",
  "endDatetime": "<string>",
  "tempUnits": "F"
}