Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBCDKZ1b2YodfSVo5ORUJOzX3NIsXj/GUmvrli5MYTb2Bi7XdcKg8OudyZe… (844 chars)"
  }
}