Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCHOckWhBqpaCdLg6ePBO/QUXONU0XnzScyKJIdxZK9Gh5gkk4EhDEYKCL4… (1,748 chars)"
  }
}