Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAeYeKevtEeN7USSXZDENLWBXoXS3UTtR7jF6Ne1kVqIHfpjdY6CRtvv1X9… (1,748 chars)"
  }
}