Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBfmCLCztBVebWYcW5OskrbpWdZwAFI9M9wFt3HpbCIdB2Qac4z1z0VAEuY… (1,748 chars)"
  }
}