Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHnJh4CTLIE+GjMYvxv11F+EC1Yy2s5jJqXb4cJxYftES/OIsvUU6P5xzXc… (1,748 chars)"
  }
}