Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAcwoTCR8yESm2zdJjWMZJXt2yEZ3fWSu4VNu9FjMoJx3M+mdk/vgiJHBz0… (1,748 chars)"
  }
}