Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEg2vz4iE/uTjXAT/Pu/xye1Gz01zrncnLIz9f7lnP3riD5X+07sJ02F8BV… (844 chars)"
  }
}