Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDIUxYWgaCxX8FIqd7rnBsUqRL4BICzG1N+Vi+k1wz2eSKiX50Nv9C2jJla… (1,748 chars)"
  }
}