File Preview Callout with the embed Action

{
  "$schema": "https://developer.microsoft.com/json-schemas/sp/v2/column-formatting.schema.json",
  "elmType": "div",
  "style": {
    "display": "=if([$File_x0020_Type]==''||[$File_x0020_Type]=='agent'||[$File_x0020_Type]=='clipchamp'||[$File_x0020_Type]=='url','none','')",
    "margin": "0px 8px"
  },
  "children": [
    {
      "elmType": "div",
      "style": {
        "border-radius": "5px",
        "cursor": "pointer",
        "padding": "5px"
      },
      "attributes": {
        "class": "ms-bgColor-themeLighter ms-bgColor-themePrimary--hover ms-fontColor-neutralPrimary ms-fontColor-white--hover ms-fontSize-m",
        "iconName": "Preview"
      },
      "customCardProps": {
        "openOnEvent": "hover",
        "directionalHint": "topCenter",
        "isBeakVisible": true,
        "beakStyle": {
          "background-color": "black"
        },
        "formatter": {
          "elmType": "div",
          "txtContent": "File Preview Callout",
          "style": {
            "padding": "5px 10px",
            "background-color": "black",
            "color": "white"
          },
          "attributes": {
            "class": "ms-fontSize-s"
          }
        }
      },
      "customRowAction": {
        "action": "embed",
        "actionInput": {
          "src": "=if([$File_x0020_Type]=='aspx',@currentWeb+'/SitePages/'+[$FileLeafRef]+'?env=WebView',if([$File_x0020_Type]=='docx'||[$File_x0020_Type]=='doc'||[$File_x0020_Type]=='dotx'||[$File_x0020_Type]=='dot'||[$File_x0020_Type]=='dotm'||[$File_x0020_Type]=='docm'||[$File_x0020_Type]=='docb'||[$File_x0020_Type]=='pptx'||[$File_x0020_Type]=='ppt'||[$File_x0020_Type]=='pptm'||[$File_x0020_Type]=='potx'||[$File_x0020_Type]=='pot'||[$File_x0020_Type]=='potm'||[$File_x0020_Type]=='ppam'||[$File_x0020_Type]=='ppsx'||[$File_x0020_Type]=='pps'||[$File_x0020_Type]=='ppsm'||[$File_x0020_Type]=='sldx'||[$File_x0020_Type]=='sldm'||[$File_x0020_Type]=='vsdx'||[$File_x0020_Type]=='vsd'||[$File_x0020_Type]=='xlsx'||[$File_x0020_Type]=='xls'||[$File_x0020_Type]=='xlsm'||[$File_x0020_Type]=='xlsb'||[$File_x0020_Type]=='xltx'||[$File_x0020_Type]=='xltm'||[$File_x0020_Type]=='csv',@currentWeb+'/_layouts/15/Doc.aspx?sourcedoc='+[$FileRef]+'&action=embedview',@currentWeb+'/_layouts/15/embed.aspx?UniqueId='+[$UniqueId]))",
          "height": "=@window.innerHeight*0.7",
          "width": "=@window.innerWidth*0.5"
        }
      }
    }
  ]
}