Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHnnpuOymrDGhkEf8GvnmO9sYIyTOhvp6kEX+lu2Z1xvHLUNR4zkt4GSsHg… (1,748 chars)"
  }
}