Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEsIbf/6UiJgNp7+SRotB6KmS1Kl0NWNFVU7OgVWJfw7Un1KDMdEQimjSBK… (844 chars)"
  }
}