Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwC3Gx6TF9bK8LsoLmFdKJUU9GLmSzbd9GuPRYNHSEGysVJiDCiYRTmCb6eq… (844 chars)"
  }
}