Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBxF82qlvS2Q5Eqtp2SXGTy6Tf22Zh7q5e3JL+0zBYtli6Z2QCNZgRFuXeB… (844 chars)"
  }
}