Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCCLdu9l08aehe96i8fhU0Y1mA/U0dqYvkBd+8XvAhfRGl3X4gYtLAx8Iwt… (844 chars)"
  }
}