Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQASUSQm2S5dmp1ovN5+VBSLQr6VGi3bhjuZ9TtfQC2EKw1tBqDnRxiuxOs+… (1,748 chars)"
  }
}