Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCNVJu1D5ZLbEX9hArAKqkCii3hRWv5R6jMi/ZUkPgU6EYRbyEsi8JdYXsZ… (1,748 chars)"
  }
}