Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAOJTJ9fijbZhLGhk/3Mck70zLYONy0v9nSb3R9TUAeH3GDbE8yD6e+6+xj… (844 chars)"
  }
}