Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDevUM0J4YiWEyfP4Nq/v4oYjIse8JUu1Ot9n0nr5o8pmCqUW+q1oRO9/JR… (1,748 chars)"
  }
}