Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwAIzB1t/bsAMS/d8t5is8zZXrhFcxBhwQMO4ODdH9T2JRgPiqImgD8Uc0f9… (844 chars)"
  }
}