Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGDMJAqMXnWtQ/Vv3NiVKjE2P8hRGqFnHNmrWiKi2F7IXfekubOyBaV9OqX… (844 chars)"
  }
}