Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCBTTFJbSq/AJDtGHVJLXAIlTuvT7rNOUzlV3LMaZyivwkMMt1kaP2Ny9HM… (844 chars)"
  }
}