Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAw9+qyPql4c3BOXiC5h8OTETNb/cwBhneuzToFO6hX+xnSFb8G1Cv8gHGZ… (1,748 chars)"
  }
}