Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGHIJbHfN6dsfEeYdj9QWuyH1iyLTHEQ698Vp6akAk0cjVVYE9BXRPKE1Lb… (844 chars)"
  }
}