Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwA1Tv14vxfrh6nhTwV8/5wnMO9W6iXvRFO4J7akLsZ6sT4pu5qOZcv7YLTy… (844 chars)"
  }
}