Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwA2mxAFoT8PH43KCsV9HBW5NHcMrAM/krVCLrJR7iqbVHHJ/c8tpkHaORzH… (844 chars)"
  }
}