Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwC4BehL1Qd4k4EYsUqGSw8Wuopir6njYUem0FlNb7CeUi1K0boW4JpXjJI/… (844 chars)"
  }
}