Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwA2Ff7pu9Bq484X8m9aPuG4Q/ebyLx9X0lsLPXmE0q/ABK+pr7Q5t+2sz3J… (844 chars)"
  }
}