Get media info image.

{
  "type": "object",
  "properties": {
    "name": {
      "type": "string",
      "description": "The name of the image."
    },
    "theme": {
      "type": "string",
      "description": "The theme to get the image from."
    }
  },
  "required": [
    "name",
    "theme"
  ],
  "additionalProperties": false
}