Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQJHkif7wEVP6h46Tju/AhXI85RSTGm6Zl2yDk1nKykigDRwOePh9rxFpwQ8… (1,748 chars)"
  }
}