Putting this here too... Does anyone have the JSON format to add group pricing to a customer? Trying multiple different ways and not getting anywhere... Tried multiple different variations. Customer record is creating fine...

"pricingGroup": {
  "items": [
          {
              "group": "7",
              "level":"1"
          }
          ]
}

  "pricingGroup": {
    "items": [
            {
                "group": {
            
                    "id": "7"
              
                },
                "level": {
                 
                    "id": "1"
                }
            }]
  }

"item": {
    "items": [
            {
                "group": {
            
                    "id": "7"
              
                },
                "level": {
                 
                    "id": "1"
                }
            }]
  }