Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQA/Vc1nNoW/WmlSKlN22YejzgqmeI2pog4x7hFFphuukhZ/W5wjjHXJHFhJ… (1,748 chars)"
  }
}