Workflow:

{
    "nodes": [
        {
            "name": "Data 1",
            "type": "n8n-nodes-base.function",
            "position": [
                602,
                350
            ],
            "parameters": {
                "functionCode": "items[0].json = {\n\"data\": [\n{\n\"pointer\": \"12345\",\n\"panel\": \"234234\",\n\"subject\": \"Blah Blah\",\n\"note\": \"\",\n\"interviewers\": [\n{\n\"id\": \"111222333\",\n\"name\": \"Bobby Johnson\",\n\"email\": \"bobbyj@example.com\"\n}\n],\n\"timezone\": \"America\/Los_Angeles\",\n},\n{\n\"pointer\": \"98754\",\n\"panel\": \"3243234\",\n\"subject\": \"Yadda Yadda\",\n\"note\": \"\",\n\"interviewers\": [\n{\n\"id\": \"444555666\",\n\"name\": \"Billy Johnson\",\n\"email\": \"billyj@example.com\"\n}\n],\n\"timezone\": \"America\/Los_Angeles\",\n},\n],\n\"hasNext\": false\n};\nreturn items;\n"
            },
            "typeVersion": 1
        },
        {
            "name": "Data 2",
            "type": "n8n-nodes-base.function",
            "position": [
                602,
                550
            ],
            "parameters": {
                "functionCode": "items[0].json = [\n{\n\"name\": \"test\",\n\"fields\": {\n\"FirstName\": \"Bobby\",\n\"LastName\": \"Johnson\",\n\"JobTitleDescription\": \"Recruiter\",\n\"HomeDepartmentDescription\": \"Recruiting Team\",\n\"Photo\": [\n{\n\"x\": \"attPuc6gAIHUOHjsY\",\n\"url\": \"http:\/\/urlto.com\/BobbyPhoto.jpg\",\n\"filename\": \"photo.jpg\",\n\"size\": 28956,\n\"type\": \"image\/jpeg\"\n}\n],\n\"eid\": \"111222333\"\n},\n\"createdTime\": \"2019-09-23T04:06:48.000Z\"\n},\n{\n\"name\": \"test2\",\n\"fields\": {\n\"FirstName\": \"Billy\",\n\"LastName\": \"Johnson\",\n\"JobTitleDescription\": \"CEO\",\n\"HomeDepartmentDescription\": \"Boss Team\",\n\"Photo\": [\n{\n\"x\": \"attPuc6gAIHUOHjsY\",\n\"url\": \"http:\/\/urlto.com\/BillyPhoto.jpg\",\n\"filename\": \"photo.jpg\",\n\"size\": 28956,\n\"type\": \"image\/jpeg\"\n}\n],\n\"eid\": \"444555666\"\n},\n\"createdTime\": \"2019-09-23T04:06:48.000Z\"\n}\n,\n{\n\"name\": \"test3\",\n\"fields\": {\n\"FirstName\": \"Susan\",\n\"LastName\": \"Smith\",\n\"JobTitleDescription\": \"CFO\",\n\"HomeDepartmentDescription\": \"Boss Team\",\n\"Photo\": [\n{\n\"x\": \"attPuc6gAIHUOHjsY\",\n\"url\": \"http:\/\/urlto.com\/SusanPhoto.jpg\",\n\"filename\": \"photo.jpg\",\n\"size\": 28956,\n\"type\": \"image\/jpeg\"\n}\n],\n\"eid\": \"777888999\"\n},\n\"createdTime\": \"2019-09-23T04:06:48.000Z\"\n}\n];\nreturn items;"
            },
            "typeVersion": 1
        },
        {
            "name": "Convert Data 1",
            "type": "n8n-nodes-base.function",
            "position": [
                752,
                350
            ],
            "parameters": {
                "functionCode": "const newItems = [];\n\nfor (const item of items[0].json.data) {\n  newItems.push({ json: item });\n}\n\nreturn newItems;"
            },
            "typeVersion": 1
        },
        {
            "name": "Convert Data 2",
            "type": "n8n-nodes-base.function",
            "position": [
                752,
                550
            ],
            "parameters": {
                "functionCode": "const newItems = [];\n\nfor (const item of items[0].json) {\n  newItems.push({ json: item });\n}\n\nreturn newItems;"
            },
            "typeVersion": 1
        },
        {
            "name": "Merge",
            "type": "n8n-nodes-base.merge",
            "position": [
                990,
                430
            ],
            "parameters": {
                "mode": "mergeByKey",
                "propertyName1": "interviewers[0].id",
                "propertyName2": "fields.eid"
            },
            "typeVersion": 1
        }
    ],
    "connections": {
        "Data 1": {
            "main": [
                [
                    {
                        "node": "Convert Data 1",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        },
        "Data 2": {
            "main": [
                [
                    {
                        "node": "Convert Data 2",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        },
        "Convert Data 1": {
            "main": [
                [
                    {
                        "node": "Merge",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        },
        "Convert Data 2": {
            "main": [
                [
                    {
                        "node": "Merge",
                        "type": "main",
                        "index": 1
                    }
                ]
            ]
        }
    }
}