Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGxFpJeKbQ/i8qnOjMAmO74LhS2AxJcwJQFeOvgyKXHqySXVnFDLx4ZA7/p… (844 chars)"
  }
}