Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQB3QyJy+DjODM3TF01ma8C3vM8VKHuitwrIiwJSWvcTp1xONUg+G+Jjj2uL… (1,748 chars)"
  }
}