Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCHuRB/eqw1Shpbbj0ydCY5f+9CnnK3mAXs3S1XmEyOC3hQaqqXUGEDwmRZ… (844 chars)"
  }
}