Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDeFPk+RL4acCjOqwERPMR7YSVLqQqimacPjKChy/G1Rn7iiKkD9Zk7lnnQ… (1,748 chars)"
  }
}