Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG/jWY8Pw4R+LXC4zgX/qKa4ymQNSzqA5lKeG6GO2PDM3Mst4d4j/sFb6kS… (844 chars)"
  }
}