Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCRw5wzmK7Xg9YDiXw+QCiyBATa5jd8L5a/BIzziLT1iBmmJHSg+tjW3e7G… (844 chars)"
  }
}