Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB2CLVifGQ1d4OBn5k3NyzAL3ydUBjERv2StxvD+2ZBukTAODYa+TQ5q0w/… (1,748 chars)"
  }
}