Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAQd04ksmQH2zSYCT8fQ1ICUfNqYjIq0Uf/zbmb13mEwnBHGGai+3e01vR8… (1,748 chars)"
  }
}