Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG7a8I4sfnW2+bwb2SJJ+FIm4w9vkwTcj2n5oQ6RrnB8GLcxeQX7fBY8bHq… (844 chars)"
  }
}