Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQL2n1S2E6qGQKUVUXcgfhQFlmCMwcK8PBROWIn/i4cBTk78EKo1s1Kf1o2D… (1,748 chars)"
  }
}