Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGKKIwzu1TAmEpfbJdx/mvvb5KwbXq0UT6G1HVCzy3W8iy1aoKK0Jb1VV2D… (1,748 chars)"
  }
}