Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDJ+GYwlqcqATR3okYyaYkbQIFV/Bdga3p7DBHbGrKvECYPu4pGsy6Na6OA… (1,748 chars)"
  }
}