Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQA8X/mu28eJvqBEQ6lYlLZnKcgc1CWTyWm+l6Xxsq/RGSxmI+TAp4Wb61NE… (1,748 chars)"
  }
}