Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQE74kKzv1Jp/xo38pbqZ7en2WXDeI7Y/Exz/FTKK2JLY3981Cw75jwG7Vwl… (1,748 chars)"
  }
}