Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHBia8XKcvI6WvSgqYH/PBxhEVLKjxv2KZbpRTCpRJlfBn7twr3by+fGnib… (844 chars)"
  }
}