Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHIhSG0VLfmar6x9Qz3FAyMKUD2UOnTIkMFxjF0Hj8oB1p5+KhY6LtbwdTy… (844 chars)"
  }
}