Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCyFljJr/bhmo8/PwBRVzMO29iKnITGbzG6oq4/dtGU4W2kSNDl9dSg2ZmP… (844 chars)"
  }
}