Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDfD2G9cWTvS+Rtn/BfFRKJiWrCQm1QwbBu85C6CK1p2yZRURVBtiMRSxY6… (844 chars)"
  }
}