Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHzMbp6FGIep76D8P3o1puXGmMjnafMOmT4Iny5LC3YgT82cAft/c5QVpB2… (1,748 chars)"
  }
}