Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBWYMtfZPh+9vGxSIauS4pPvWXjXt327V0ZYXeTcmUqvkCTBqHXRU1xESlM… (844 chars)"
  }
}