Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFYx2+vSmOHX88MbcvNK6aA0lMsgwbGQvXj/tN9cmJLPB3LBABO54ZGg/Wz… (844 chars)"
  }
}