Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBtu3y+p7G02yRSxUFhF/Tk4zJPD7ZNVwmLagRgaGSwSFfY9q3b+Kx5knO0… (1,748 chars)"
  }
}