Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAz35+VWZwBrB7gu7/eGbYjSZ7ucxQYVthMMbV4ddW0f2pu694HmFc9u4pl… (1,748 chars)"
  }
}