Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQGW6Oy/ECdDUwngIZGx7mKzdqhTyicIJ0Xc/rRYl5bLyH19Ix2eYqCw+4X+… (1,748 chars)"
  }
}