Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE3OeyADC3OV+v4OUS73PsdzxhbRa/cF/4BL7AwF5GgNBf7hZ1IcxP2D4VN… (844 chars)"
  }
}