Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAn7UY88+NN/aMqM2dYmKziP6Wa/zSbzi0KSwhkbMkQjlRZzxLvUOC7rlZb… (1,748 chars)"
  }
}