Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQF+xHbIbD1cCF15xWjW2Rtv6RxLlBHr/ls9nlMJcv+7UCop3xjIy2VuZFW+… (1,748 chars)"
  }
}