Reference nested JSON arrays and objects in #each loop for Postman Visualizer

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I’m trying to utilize the visulizer module to display information from a JSON response.
I’m using the example code from the documentation creating a table. In the example the blob is:

{
    	"contacts": [
    		{
    			"name": "{{$randomFullName}}",
    			"email": "{{$randomEmail}}"
    		},
    		{
    			"name": "{{$randomFullName}}",
    			"email": "{{$randomEmail}}"
    		},
    		{
    			"name": "{{$randomFullName}}",
    			"email": "{{$randomEmail}}"
    		},
    		{
    			"name": "{{$randomFullName}}",
    			"email": "{{$randomEmail}}"
    		}
    		]
    }

And the test code references the “name” objects simply with {{name}} in the #each loop for response.data.contracts

My JSON looks something like this:

{
	"payload": [{
			"object1": 0,
			"object2": 0,
			"children": [{
				"childobject1": 1,
				"childobject2": 2,
				"children": [{
					"childobject-a": 10,
					"childobject-b": 20
				}],
				"childobject4": 3,
				"pool_member": [{
					"childobject-x": 4,
					"childobject-y": 5
				}],
				"childobject5": 8
			}],
			"object4": 100,
			"object5": 110,
			"objectkey": "test1"
		},
		{
			"object1": 0,
			"object2": 0,
			"children": [{
				"childobject1": 1,
				"childobject2": 2,
				"children": [{
					"childobject-a": 10,
					"childobject-b": 20
				}],
				"childobject4": 3,
				"pool_member": [{
					"childobject-x": 4,
					"childobject-y": 5
				}],
				"childobject5": 8
			}],
			"object4": 100,
			"object5": 110,
			"objectkey": "test2"
		}
	]
}

But I can’t reference for example {{children.childobject2}} (nor using {{children[0].childobject2}} ) in an #each loop for response.payload inside my template declaration.
I suspect it has something to do with children being another array, but I can’t find the right syntax for this. Any hint as to how this can be accomplished?