Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBhJXJKv8A6wOEAeBA9DJB8Gi3MFYjvSn5o2TA7CbabPAghEVLWcZ84JqbH… (844 chars)"
  }
}