Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBMOeFqSyhC+0aauhytJ+bAI/vyjuIR+pR0L3y+soOZ+m/wJGu8FMjeXA1J… (1,748 chars)"
  }
}