Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGZEXYJ9AQFPM8oup+/A8/sDhmjz+0d9pBt/XyQ08BK6RLBTrrU1/sRtI2r… (844 chars)"
  }
}