Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAXKA6VQEN6Q3Y9Luug4/6jXmFjs4INiPuL6stFBRZDliw5b95Df9IUJqq6… (1,748 chars)"
  }
}