Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDY7YZbLpRp0NNgG/WJxp/bRrXTFTwpBonqaAd6du9zHzCdzm0e5+3Qz4Tc… (1,748 chars)"
  }
}