Adaptive Cards from Flow bot showing up blank in iOS

BeauGP Same problem on Android. The cards show in 

This is my adaptive card code:

{
    "$schema": "http://adaptivecards.io/schemas/adaptive-card.json",
    "version": "1.0"
    "type": "AdaptiveCard",
    "body": [
        {
            "type": "TextBlock",
            "size": "Medium",
            "weight": "Bolder",
            "text": "Test title"
        },
        {
            "type": "TextBlock",
            "text": "Another test",
            "wrap": true
        },
        {
            "type": "FactSet",
            "facts": [
                {
                    "title": "Fact 1",
                    "value": "Value 1"
                },
                {
                    "title": "Fact 2",
                    "value": "Value 2"
                }
            ]
        },
        {
            "type": "TextBlock",
            "text": "Second test",
            "wrap": true
        },
        {
            "type": "FactSet",
            "facts": [
                {
                    "title": "Fact 1",
                    "value": "Value 1"
                },
                {
                    "title": "Fact 2",
                    "value": "Value 2"
                }
            ]
        }
    ],

}