Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwF336GbhYLrWnAB+P7BO2hspjm4U+fz5R2+gpxKEpVwh0D/tY4NiGnG5W30… (844 chars)"
  }
}