Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFfXIUMfpV7Z2JtuGgxp8dd1mWbTCDwMNGRNrCnGiQ6ZBY16icIJkfX37zZ… (844 chars)"
  }
}