highlight-me-multi.json

{
  "$schema": "https://developer.microsoft.com/json-schemas/sp/v2/column-formatting.schema.json",
  "elmType": "div",
  "children": [
    {
      "elmType": "div",
      "style": {
        "display": "flex",
        "flex-direction": "column",
        "margin-top": "2px",
        "margin-bottom": "2px"
      },
      "children": [
        {
          "elmType": "div",
          "children": [
            {
              "elmType": "div",
              "style": {
                "display": "flex",
                "flex-wrap": "wrap"
              },
              "children": [
                {
                  "elmType": "div",
                  "forEach": "_person in @currentField",
                  "style": {
                    "display": "=if(@currentField,'flex','none')",
                    "flex-direction": "row",
                    "align-items": "center",
                    "white-space": "nowrap",
                    "border-radius": "14px",
                    "margin": "4px"
                  },
                  "attributes": {
                    "class": "=if([$_person.email]==@me,'ms-bgColor-themeLighter ms-fontColor-themeDarker','ms-bgColor-neutralLight ms-fontColor-neutralPrimary')"
                  },
                  "defaultHoverField": "[$_person]",
                  "children": [
                    {
                      "elmType": "img",
                      "style": {
                        "width": "28px",
                        "height": "28px",
                        "border-radius": "50%"
                      },
                      "attributes": {
                        "src": "=getUserImage([$_person.email],'small')"
                      }
                    },
                    {
                      "elmType": "div",
                      "txtContent": "[$_person.title]",
                      "style": {
                        "padding-left": "6px",
                        "padding-right": "10px"
                      },
                      "attributes": {
                        "class": "ms-fontSize-s"
                      }
                    }
                  ]
                }
              ]
            }
          ]
        }
      ]
    }
  ]
}